Update parquet files

SwitchBoard/test/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1213b1c62201e7bbfff7fa22fa531a5e3eafe9b64439f506ff0e506cc1c66084
-size 399271
+oid sha256:c7095d36c8489b768ed25f2836a92644be7434b3f66dd7d050fb3e326170c959
+size 394631

SwitchBoard/train/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:27f2f6ce195089b72a1119d8ff1053453da672270baea2397652136c077390df
-size 3618104
+oid sha256:29e5ceaed1455c51ce195dcad9734c1c7032cb4accd546f952c68a0bbd417f84
+size 3577904

SwitchBoard/validation/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1300bf5ad537e7568c5d7ebff946e75aca98d8530701449df3d8876ac22b13b8
-size 497807
+oid sha256:316de2367a671f1bfcde725bdaa05849fc386986cca4e3d27a6b39c2e4df75a0
+size 492064