diff --git a/ja/test-00000-of-00008.parquet b/ja/test-00000-of-00008.parquet
deleted file mode 100644
index ee5fd513375367242f504cf84b1cb8078361f29e..0000000000000000000000000000000000000000
--- a/ja/test-00000-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9af519a7dd5aff263ef50b0ec87ad636c15b83e23a57f5433134b927b8f14215
-size 43368442
diff --git a/ja/test-00001-of-00008.parquet b/ja/test-00001-of-00008.parquet
deleted file mode 100644
index 1e9200bf9301eacd8dbc7c3ea35c895bf0a54ceb..0000000000000000000000000000000000000000
--- a/ja/test-00001-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:66291316ff80aef994f8b75194f7e9bc3e0faeaabc7b6a4d601d19e89a554964
-size 38861053
diff --git a/ja/test-00002-of-00008.parquet b/ja/test-00002-of-00008.parquet
deleted file mode 100644
index b75aa9904efa430f33663d969a243d1bce749b28..0000000000000000000000000000000000000000
--- a/ja/test-00002-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9e161647841c3becdc6f34d0392c87ef473916599d1ef0438053a4b073a91297
-size 34107252
diff --git a/ja/test-00003-of-00008.parquet b/ja/test-00003-of-00008.parquet
deleted file mode 100644
index 23428442eadbd3598379bd878a18d90bbaf728ed..0000000000000000000000000000000000000000
--- a/ja/test-00003-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5b7afdd874d1805f713205c725a013ba524df80837a52d607be87323b34bf9c1
-size 31143283
diff --git a/ja/test-00004-of-00008.parquet b/ja/test-00004-of-00008.parquet
deleted file mode 100644
index f01ff49e70afc0b3a909e09e3d3da8789a9808e7..0000000000000000000000000000000000000000
--- a/ja/test-00004-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:317709570bc0a8b5d5918f3e4b0b241bb60f7f10feb930c97d99d81aa1a96977
-size 29989872
diff --git a/ja/test-00005-of-00008.parquet b/ja/test-00005-of-00008.parquet
deleted file mode 100644
index 1cdeb201a0ac486a223e77fe2ddfbfe4c6c0c796..0000000000000000000000000000000000000000
--- a/ja/test-00005-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:379c1a238705827e7eeb3d8f0900442a1b41025071eca74a97c11de33641d1e7
-size 30397419
diff --git a/ja/test-00006-of-00008.parquet b/ja/test-00006-of-00008.parquet
deleted file mode 100644
index 3e4df19395e7a41ae25307d554450807f3168e83..0000000000000000000000000000000000000000
--- a/ja/test-00006-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d339b070e952ab790fb7aa0e402b866387d92a093200cd89119da69c332d4112
-size 28641826
diff --git a/ja/test-00007-of-00008.parquet b/ja/test-00007-of-00008.parquet
deleted file mode 100644
index 970aea20db6d068c7e48c0c874f1895da28ed8c0..0000000000000000000000000000000000000000
--- a/ja/test-00007-of-00008.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:99b663aea47f6ba64da518ab6adc720d7ba75c21fbaaed26d4700c12501b11c2
-size 30259129
diff --git a/ja/train-00000-of-00056.parquet b/ja/train-00000-of-00056.parquet
deleted file mode 100644
index e8d114f8f86866e6761baa6c0ec4811b40db65c4..0000000000000000000000000000000000000000
--- a/ja/train-00000-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9c385f10e68c7cd67219499dfc6a9abe8b82456de317f4ee4fd265cb154f3a14
-size 44166176
diff --git a/ja/train-00001-of-00056.parquet b/ja/train-00001-of-00056.parquet
deleted file mode 100644
index ad74f8d05ecbf2fa0a8169a1f3efeabc0ccdbeaf..0000000000000000000000000000000000000000
--- a/ja/train-00001-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d82c3d7a4c160dcdcf91f006c6327f8cee666fc0e61c818168be076b1453e63d
-size 58386645
diff --git a/ja/train-00002-of-00056.parquet b/ja/train-00002-of-00056.parquet
deleted file mode 100644
index 3e69c17ef44daa982e10109b55d64672e2f3ce59..0000000000000000000000000000000000000000
--- a/ja/train-00002-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:dfc2799eb5cf99b74bb7b716fbd7839d3e2d66665192a966506cbb2811275116
-size 60207072
diff --git a/ja/train-00003-of-00056.parquet b/ja/train-00003-of-00056.parquet
deleted file mode 100644
index 856641f4f474473415ea1b428af2d34f6b741c9a..0000000000000000000000000000000000000000
--- a/ja/train-00003-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a4413d97a6e7a8aa983f753af26dbb4a54e4e9993089073df9b0bc2702ff7bf6
-size 56147292
diff --git a/ja/train-00004-of-00056.parquet b/ja/train-00004-of-00056.parquet
deleted file mode 100644
index 51999684eb1d6e889fdb4fa89ca0c156ac667432..0000000000000000000000000000000000000000
--- a/ja/train-00004-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7050e1d7c7f714fa93fe9d962002fe3bb8b8187e90b8559c76b13500424d5842
-size 54183391
diff --git a/ja/train-00005-of-00056.parquet b/ja/train-00005-of-00056.parquet
deleted file mode 100644
index ff5b69a271b62ac4922e90eb8a7a56957c35778e..0000000000000000000000000000000000000000
--- a/ja/train-00005-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0583350aeb4691e5c3cf64b2ba3b5d9688e5924b863421f6dc25913821672090
-size 55056313
diff --git a/ja/train-00006-of-00056.parquet b/ja/train-00006-of-00056.parquet
deleted file mode 100644
index 67b111c28427c0d3700f965a3ccaf582d5d6944f..0000000000000000000000000000000000000000
--- a/ja/train-00006-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5b8af8ad9fd98f9c8bf34eff797592b0129945f5ccaf260788536d6656476c99
-size 55679625
diff --git a/ja/train-00007-of-00056.parquet b/ja/train-00007-of-00056.parquet
deleted file mode 100644
index 784fbfbc476de25456652183720c018e67b68a96..0000000000000000000000000000000000000000
--- a/ja/train-00007-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a7821f2042805922a626d426d30779d1cbc791b10e4d9979f1b1dd8e54bf9a74
-size 55785624
diff --git a/ja/train-00008-of-00056.parquet b/ja/train-00008-of-00056.parquet
deleted file mode 100644
index 03e5c43a0f608ded5feec764a257a1b2e41a07f4..0000000000000000000000000000000000000000
--- a/ja/train-00008-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c13219f6f2c372f45942694958b068ae4fc15bd051758d1c53c998f25cfd4b03
-size 50693007
diff --git a/ja/train-00009-of-00056.parquet b/ja/train-00009-of-00056.parquet
deleted file mode 100644
index 125011d8ea6829218a23a5ed46b864dab89f0e37..0000000000000000000000000000000000000000
--- a/ja/train-00009-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8c66e3917a4d815318f9d1a8c475853438330b9c35f6f9627543fa657f716b89
-size 64079312
diff --git a/ja/train-00010-of-00056.parquet b/ja/train-00010-of-00056.parquet
deleted file mode 100644
index f15cf2fc65218288c0813912be23ef8a548cf2a6..0000000000000000000000000000000000000000
--- a/ja/train-00010-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:844d150c22b847974edcdcb2a9d589b40560daac298429db3fa71b46a07fc229
-size 61078013
diff --git a/ja/train-00011-of-00056.parquet b/ja/train-00011-of-00056.parquet
deleted file mode 100644
index 8a8b151e7b11584e4d4fe5fa422a4009e6497dc4..0000000000000000000000000000000000000000
--- a/ja/train-00011-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:21e51a5667d09343f41a11dd2fe18c7c7ee9fde0f2d4ee0364156bab63732ae6
-size 44061822
diff --git a/ja/train-00012-of-00056.parquet b/ja/train-00012-of-00056.parquet
deleted file mode 100644
index b499b107ad51e8e17560eb485e97fc51299abefc..0000000000000000000000000000000000000000
--- a/ja/train-00012-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a47d3e0975381d4d3cd8590a4e31759c204defe2b33ea9452b8a01841d8853da
-size 40926548
diff --git a/ja/train-00013-of-00056.parquet b/ja/train-00013-of-00056.parquet
deleted file mode 100644
index 008dd0d1ffe7470158ed91e73b52449fc1253c11..0000000000000000000000000000000000000000
--- a/ja/train-00013-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0e60f70170c642c28c344483623b04d685eee2ea1643fe12db02e1c19dd21015
-size 43685028
diff --git a/ja/train-00014-of-00056.parquet b/ja/train-00014-of-00056.parquet
deleted file mode 100644
index dad44c458aa7a6d2f0cfd97b5daaa51d91b9e00d..0000000000000000000000000000000000000000
--- a/ja/train-00014-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6567603b805ba96c6bdfa7ed61f61391d95dfef7966e44f69091b98d8f9362e1
-size 42250319
diff --git a/ja/train-00015-of-00056.parquet b/ja/train-00015-of-00056.parquet
deleted file mode 100644
index b944e927b6ee30363ff3c5f378f60ed873d7ac48..0000000000000000000000000000000000000000
--- a/ja/train-00015-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:706bf2063ba54e7c799a74897a0286f1d5473d6c0716e37ce3a6ec4fb8f99a73
-size 40500748
diff --git a/ja/train-00016-of-00056.parquet b/ja/train-00016-of-00056.parquet
deleted file mode 100644
index f4a76ee4fac5b6398970eacb91657fe9232fcffe..0000000000000000000000000000000000000000
--- a/ja/train-00016-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0af8842efed8894d1abcafb3b4e8ef9ef53b4feaa08652ecb6a3e27b4c572d17
-size 42677868
diff --git a/ja/train-00017-of-00056.parquet b/ja/train-00017-of-00056.parquet
deleted file mode 100644
index 7babfd85336c7e9b0485613af70a00f5b84da7f1..0000000000000000000000000000000000000000
--- a/ja/train-00017-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c25baa44eeecf62e22b746e752bd22e2ea6fb28becc755c11d9ada7dbae21e41
-size 40478255
diff --git a/ja/train-00018-of-00056.parquet b/ja/train-00018-of-00056.parquet
deleted file mode 100644
index 8abe65c42ecec5272019e6295fc2c7f30c817efa..0000000000000000000000000000000000000000
--- a/ja/train-00018-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:beece662167b1995843ad2569dd92056dfc6f566229111ef7bf44b66b9f76253
-size 48116710
diff --git a/ja/train-00019-of-00056.parquet b/ja/train-00019-of-00056.parquet
deleted file mode 100644
index 8985ac4a55cdb37d2dd511c7a7e4067b8d39b088..0000000000000000000000000000000000000000
--- a/ja/train-00019-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a9ee134bc3558d44ad1986ae7b3bf76a5a42ec88ef1d924800e8c17507c95a4f
-size 42005788
diff --git a/ja/train-00020-of-00056.parquet b/ja/train-00020-of-00056.parquet
deleted file mode 100644
index 947db30f3fcde49e718f7b952c4981617588a7e0..0000000000000000000000000000000000000000
--- a/ja/train-00020-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b6f189517c869d56edfecbc157dbcdca486fb5a7fcebd6897efd6265b3fe835d
-size 44434696
diff --git a/ja/train-00021-of-00056.parquet b/ja/train-00021-of-00056.parquet
deleted file mode 100644
index 2ee866e02829033130e24fd0f1f673954dba2912..0000000000000000000000000000000000000000
--- a/ja/train-00021-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3f718e4132894dab7042a0e58685069587ed07766f6b8a5239013cf519a7def3
-size 45173404
diff --git a/ja/train-00022-of-00056.parquet b/ja/train-00022-of-00056.parquet
deleted file mode 100644
index e71017f5819fbbcde8c5bd76effe2268843174f3..0000000000000000000000000000000000000000
--- a/ja/train-00022-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:508f1c7ca8a0a2b0a489234e17f6d8b676d4c9168dd9b17ae4caefa7123174ea
-size 42827220
diff --git a/ja/train-00023-of-00056.parquet b/ja/train-00023-of-00056.parquet
deleted file mode 100644
index 5da742c83233960014b107bdc94ad116a301e802..0000000000000000000000000000000000000000
--- a/ja/train-00023-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bb380056e11b31743c4187458244014ba6ad131fba7f13c0f2a8ec0ced13cfab
-size 42384294
diff --git a/ja/train-00024-of-00056.parquet b/ja/train-00024-of-00056.parquet
deleted file mode 100644
index 91cbc0f3a4d6d558971d5b1b4a24f59e2a275884..0000000000000000000000000000000000000000
--- a/ja/train-00024-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d0345456fb7c2151d792d598f33d313d986295d712ed384b3eb32ad452dbbbe9
-size 42191391
diff --git a/ja/train-00025-of-00056.parquet b/ja/train-00025-of-00056.parquet
deleted file mode 100644
index df7a2aaeb5631eb37be0ce02db1997d41369efa8..0000000000000000000000000000000000000000
--- a/ja/train-00025-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5a6a103c8ec8aaed855ef650f3cee5d985a6c485002a21772ad09d7dc5e3470b
-size 36009035
diff --git a/ja/train-00026-of-00056.parquet b/ja/train-00026-of-00056.parquet
deleted file mode 100644
index b5e58b0debf7aa3925cee9832b9ec3b7bfe028bf..0000000000000000000000000000000000000000
--- a/ja/train-00026-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ec0bed9ae0ae1ac45ca895ab6295d6a153c059a41fdc8642bf01f64349f26c67
-size 37651541
diff --git a/ja/train-00027-of-00056.parquet b/ja/train-00027-of-00056.parquet
deleted file mode 100644
index b2e9bf727bb18757a1ef546eee0977139416a563..0000000000000000000000000000000000000000
--- a/ja/train-00027-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8a16ce87370f83d18eeab8ed6a424c0aa66d299603f8c30762feede11f88327b
-size 36372714
diff --git a/ja/train-00028-of-00056.parquet b/ja/train-00028-of-00056.parquet
deleted file mode 100644
index 18e238468a8868231cb2fb0a36718371daee6f51..0000000000000000000000000000000000000000
--- a/ja/train-00028-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3772d47d779e443e66a9faa0d6fedaee53e48a71e845d752e233f0a01f3302aa
-size 38774602
diff --git a/ja/train-00029-of-00056.parquet b/ja/train-00029-of-00056.parquet
deleted file mode 100644
index f56f9b54c4e34856ab909c4e42495c7be98aef63..0000000000000000000000000000000000000000
--- a/ja/train-00029-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4ab84c3c1afa8284eb11d41ab4370547ddfacb39139e30a3dce3abbb9ababe4c
-size 38264966
diff --git a/ja/train-00030-of-00056.parquet b/ja/train-00030-of-00056.parquet
deleted file mode 100644
index 7efbca6a5d2162d1888ba52cbfc0b96dcd9b345f..0000000000000000000000000000000000000000
--- a/ja/train-00030-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4c241731dccd8e266c5cff90c7eaa96dcafd7f9f7a8d7ac1b54a4ee6b2d2a50a
-size 41415711
diff --git a/ja/train-00031-of-00056.parquet b/ja/train-00031-of-00056.parquet
deleted file mode 100644
index f270a90615227bdaaa6fef9d2206e6cd1866fd46..0000000000000000000000000000000000000000
--- a/ja/train-00031-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:977355d593001067e109b719be7b14112183245a3f127a97d18c7ddb3bdef460
-size 37464510
diff --git a/ja/train-00032-of-00056.parquet b/ja/train-00032-of-00056.parquet
deleted file mode 100644
index 3a8ca5c569e671280bb3d4bf84da76376bf8e8b5..0000000000000000000000000000000000000000
--- a/ja/train-00032-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:27cd45c2bda619eb5aacacf193653db7fbd61b098f323eb547a3e8435addcd25
-size 40168855
diff --git a/ja/train-00033-of-00056.parquet b/ja/train-00033-of-00056.parquet
deleted file mode 100644
index f60fb466776bda4e1b3b95e1c69327964902dcbb..0000000000000000000000000000000000000000
--- a/ja/train-00033-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:af7671a344259e2e4d7df41f4d3284e10010680c089192670d4b09a6b8accd98
-size 37510595
diff --git a/ja/train-00034-of-00056.parquet b/ja/train-00034-of-00056.parquet
deleted file mode 100644
index 12562f37fb30352c62896b11fab89c342313cad9..0000000000000000000000000000000000000000
--- a/ja/train-00034-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:679f794ac37cfa8f643522addbc9fbb70fb7f8d8200fecfdc25d3b6b1ec55776
-size 33751195
diff --git a/ja/train-00035-of-00056.parquet b/ja/train-00035-of-00056.parquet
deleted file mode 100644
index 1a849f3ac23458b1cb5c3dad2a1674e8771d3482..0000000000000000000000000000000000000000
--- a/ja/train-00035-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:aa951a558d7aa2afb2c204b8c891ab97db6d5611729093bd34f2809a075ebe44
-size 37215960
diff --git a/ja/train-00036-of-00056.parquet b/ja/train-00036-of-00056.parquet
deleted file mode 100644
index 28f7e77dcee3399396cd1c4bfabe2319bbfe021f..0000000000000000000000000000000000000000
--- a/ja/train-00036-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c7da7c8debc6f50e823fb19c7d97400e5b5dad6c2b5222dfec10df887b938574
-size 36541667
diff --git a/ja/train-00037-of-00056.parquet b/ja/train-00037-of-00056.parquet
deleted file mode 100644
index e74fe3f6e753aa7c3d33fb5fce5b446ea42b6911..0000000000000000000000000000000000000000
--- a/ja/train-00037-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e5d26b5a3926bce27925d2dced2c82eac1501d33829a14526185984bf1719568
-size 37653433
diff --git a/ja/train-00038-of-00056.parquet b/ja/train-00038-of-00056.parquet
deleted file mode 100644
index 84de62607eca03c52d5e6a99fbcd4660546ccc06..0000000000000000000000000000000000000000
--- a/ja/train-00038-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0ff710ad57071b59ddda0ab7788d62a148ed3bbf9bfde38ea9c1cfe1c9634922
-size 38237365
diff --git a/ja/train-00039-of-00056.parquet b/ja/train-00039-of-00056.parquet
deleted file mode 100644
index 666a362de31f625ed72d506ba5470c53cc4f1768..0000000000000000000000000000000000000000
--- a/ja/train-00039-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c3c849178d5db11f1a2bb21516a9543541e7bc8d8c0fd802995b85d25fc36425
-size 37480200
diff --git a/ja/train-00040-of-00056.parquet b/ja/train-00040-of-00056.parquet
deleted file mode 100644
index ae70fac2fa81a2aed84b90c98b385dc64165ba30..0000000000000000000000000000000000000000
--- a/ja/train-00040-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7485c281051c37fa84eb6b1f31715e6fad8a0a988b74ae9ffc4ca1dd8ad0264e
-size 39887988
diff --git a/ja/train-00041-of-00056.parquet b/ja/train-00041-of-00056.parquet
deleted file mode 100644
index 244d7fffd57cf152ca6c82a5dd122b853b5aa4e1..0000000000000000000000000000000000000000
--- a/ja/train-00041-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:44366404fe882330ef069d8f82deeb174974b69a9d6a36b671533c9ce2d1cfe9
-size 36307933
diff --git a/ja/train-00042-of-00056.parquet b/ja/train-00042-of-00056.parquet
deleted file mode 100644
index 35dcf71069c31a62b5be6c240341c3e30184167c..0000000000000000000000000000000000000000
--- a/ja/train-00042-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:64166d3b8a79fe6dfc9109e5a347fadb5ada5c13e4c41b16978659faee734a7c
-size 43918640
diff --git a/ja/train-00043-of-00056.parquet b/ja/train-00043-of-00056.parquet
deleted file mode 100644
index 1dafdffe8dc4153bd480c337c99583a782016d42..0000000000000000000000000000000000000000
--- a/ja/train-00043-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:96b177dc2a9f252509772a2a3447379a70b5980c05b1ff7d9f4d8416cf6effa1
-size 34864653
diff --git a/ja/train-00044-of-00056.parquet b/ja/train-00044-of-00056.parquet
deleted file mode 100644
index 4fe4a86a5da43ede85cf725a425210986299443f..0000000000000000000000000000000000000000
--- a/ja/train-00044-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:65dce2f6249ee380c5d7f533312145e1cf9a45505ca4343ff67061d50f9ad2ae
-size 36294728
diff --git a/ja/train-00045-of-00056.parquet b/ja/train-00045-of-00056.parquet
deleted file mode 100644
index dea26e8a787c9c5ff521f5e5cfe2c97cc3cbd459..0000000000000000000000000000000000000000
--- a/ja/train-00045-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:251501286fdce29ec7f09810af3e8ceb1786be556c039ef8ec4c12b00267299e
-size 37083463
diff --git a/ja/train-00046-of-00056.parquet b/ja/train-00046-of-00056.parquet
deleted file mode 100644
index 0648acf1ac6468cf878819f9825633844e8eca82..0000000000000000000000000000000000000000
--- a/ja/train-00046-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3849a5dc511367501cd175a031ce41e991568a5024d3364f4358831d7f3d24be
-size 35549270
diff --git a/ja/train-00047-of-00056.parquet b/ja/train-00047-of-00056.parquet
deleted file mode 100644
index 034e9833ce561d206815f4e2efbe42f0ab2e4453..0000000000000000000000000000000000000000
--- a/ja/train-00047-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1d7f55c77e363822952879e4c76e9b55f9d682e1e7ddacd2a218b9b455f3db6a
-size 41522475
diff --git a/ja/train-00048-of-00056.parquet b/ja/train-00048-of-00056.parquet
deleted file mode 100644
index d11483541dfed64b5944d308a73456a8375d2e3c..0000000000000000000000000000000000000000
--- a/ja/train-00048-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2ec9b2b2aa310ccb07adf436dc2bdf4e60f8ff411676b022fbd552200b29de34
-size 36846957
diff --git a/ja/train-00049-of-00056.parquet b/ja/train-00049-of-00056.parquet
deleted file mode 100644
index 0a84bda4d6b9e872ef5a1b21525820d0b0588b03..0000000000000000000000000000000000000000
--- a/ja/train-00049-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:faddafb4ea9dd74b7154478a719661dc1f1cca1999dcfaab5c6897a2f98817bc
-size 37890676
diff --git a/ja/train-00050-of-00056.parquet b/ja/train-00050-of-00056.parquet
deleted file mode 100644
index 0378e7815a7c3ea63fbda88fc6a1520510b99638..0000000000000000000000000000000000000000
--- a/ja/train-00050-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ffe688b5003927be5f1738d5a002ed146f1a9462d018203fd8a6ab63f16c11d2
-size 35940810
diff --git a/ja/train-00051-of-00056.parquet b/ja/train-00051-of-00056.parquet
deleted file mode 100644
index 382a7e1703fa8067e4a41249bde380a251afcea6..0000000000000000000000000000000000000000
--- a/ja/train-00051-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fa654db7cb959547063fbdb40ed8d3a4eb5b718bcdb178875733b7f0eaf5537a
-size 37955636
diff --git a/ja/train-00052-of-00056.parquet b/ja/train-00052-of-00056.parquet
deleted file mode 100644
index d8b4f641c685ac4239e477009cd9c4eabc0c7482..0000000000000000000000000000000000000000
--- a/ja/train-00052-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c7e3c1f8f6fad6fda7885a6c0459b2b8c6219f3191c3f894298bfa5c7ce74d9d
-size 41161157
diff --git a/ja/train-00053-of-00056.parquet b/ja/train-00053-of-00056.parquet
deleted file mode 100644
index 8e2aa0be6369b47f30cd3a6b7097439d5f578f94..0000000000000000000000000000000000000000
--- a/ja/train-00053-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6f8d6205d248b7d4f14b49515b1244018cb71ecb906136f4fe29657b4bd229f3
-size 39245376
diff --git a/ja/train-00054-of-00056.parquet b/ja/train-00054-of-00056.parquet
deleted file mode 100644
index 278267592feb2cd8e679b149e01576ae66c0a808..0000000000000000000000000000000000000000
--- a/ja/train-00054-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e8d0202864121ebae719b2a5180f355a5747ddfe20ad9575396d0da2aa94bedf
-size 39344003
diff --git a/ja/train-00055-of-00056.parquet b/ja/train-00055-of-00056.parquet
deleted file mode 100644
index d7f365848bc642a65ab41b1a38864fcfa85f88cf..0000000000000000000000000000000000000000
--- a/ja/train-00055-of-00056.parquet
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:942b04e4d9731025b50cba19fbd1b5fc903ff312b647b81892ed0ae00ea8427c
-size 39922790