Update duckdb index files

.gitattributes

@@ -88,3 +88,4 @@ Anatomy_Gray_paraphrase_2/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Anatomy_Gray_paraphrase_3/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Biochemistry_Lippincott_annotate/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Biochemistry_Lippincott_paraphrase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Biochemistry_Lippincott_paraphrase_2/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Biochemistry_Lippincott_paraphrase_2/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ba2151931b5d8b3666630b44b398ee9d58ada2e687b8a60528557928e5696a30
+size 6828032