Update annotations for Iraa/paper_87.txt

annotations/Iraa/paper_87.txt.json

@@ -22,5 +22,13 @@
     "label": "Format",
     "user": "Iraa",
     "text": "Garg et al. "
+  },
+  {
+    "file": "paper_87.txt",
+    "start": 2174,
+    "end": 2362,
+    "label": "Lacks synthesis",
+    "user": "Iraa",
+    "text": "Alkhouli et al. (2019) use alignment extracted by vanilla transformer, which is reported by Garg et al. is poor. Song et al. (2020) need an external aligner to train the alignment module. "
   }
 ]