update naturalbench with correct answers format

README.md

@@ -15,10 +15,10 @@ dataset_info:
     dtype: string
   splits:
   - name: train
-    num_bytes: 44167738.0
-    num_examples: 100
-  download_size: 22085053
-  dataset_size: 44167738.0
+    num_bytes: 54306176.0
+    num_examples: 200
+  download_size: 27153085
+  dataset_size: 54306176.0
 configs:
 - config_name: default
   data_files:

data/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:47b863a1720b556b4034395d20bd0af18e9b43bd3e8294150ac9b6bb3dbb4ee9
-size 22085053
+oid sha256:83b49106d2a31d3f380e67a73e08e401800d790dc45689fd36049c8becf73d71
+size 27153085