fixed unknown answer consistency

README.md

@@ -25,13 +25,13 @@ dataset_info:
     dtype: float64
   splits:
   - name: train
-    num_bytes: 133366306
+    num_bytes: 133192798
     num_examples: 11567
   - name: validation
-    num_bytes: 12579884
+    num_bytes: 12562052
     num_examples: 1000
-  download_size: 64682426
-  dataset_size: 145946190
+  download_size: 64679388
+  dataset_size: 145754850
 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 sha256:00ec39d3a193d27b411ebf125ce5c43cf36e87f1d20eed17406fd479cb64212f
-size 58915717
+oid sha256:1384723b84e4fc0c25dab8d06bb753035032484962ea9f28e114cc3a3dab74b0
+size 58912978

data/validation-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0bf5a25aeb65977d0219438ff74a058e5c337700188c80b3eaa8dc23635f8742
-size 5766709
+oid sha256:620220d417134d8e65a0de0b2591a2f93de224c1c92fe548805daa2bf786f0d5
+size 5766410