Update parquet files

ddb/{sts-sohu2021-train.parquet → test/0000.parquet}

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8caff5ac09e12274c94a68a1c321c767703b0e2d2e5a2a072b3afc6cdc0c23d6
-size 3171922
+oid sha256:f0646f84afdc673b92cfbe00fbda950575cdd13a3a33513e364226c150324c96
+size 283035

ddb/train/0000.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b054e4cfb9778849d8c27bd437ae3668265eba92bb3570ce7811254752255115
+size 2886895