fixed a bug

data/output_iapr_tc11_dataset.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:24bf1ee60a3868fb71c9934af5b0371aeeaaa6f7da5db83b6e1946c58dc1e0d9
-size 38495686
+oid sha256:afee2b14b829c746a4b4622ffca76526dc5f720ebfded52c3f5d3c812ee3ebbd
+size 37310549