diff --git a/.gitattributes b/.gitattributes
index 5f37d9efb68a7069b97ba8f764b8b32dff5494e8..c12c9858200f69cc9a0a35365bc1ba50082d90b3 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
 example_data/qa.json filter=lfs diff=lfs merge=lfs -text
 example_data/web.json filter=lfs diff=lfs merge=lfs -text
+example_data/dev_data.jsonl.bz2 filter=lfs diff=lfs merge=lfs -text
diff --git a/example_data/dev_data.jsonl.bz2 b/example_data/dev_data.jsonl.bz2
new file mode 100644
index 0000000000000000000000000000000000000000..eb42ad31e91975d29477ba6b7c392625d4bd3d32
--- /dev/null
+++ b/example_data/dev_data.jsonl.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:55074cb4440e4779a54dca28e78c708fe88e9cfd452e7e8ef73509c7c23b626e
+size 2032358
diff --git a/example_data/qa.json b/example_data/qa.json
deleted file mode 100644
index 147fa653b97aeef4eab735b9656a1adbb2ffced3..0000000000000000000000000000000000000000
--- a/example_data/qa.json
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6b9555060dd6c7e9e5e76e95e87d47fe0155a64cc93ecf94fb6cba337bd7d3a3
-size 1413
diff --git a/example_data/web.json b/example_data/web.json
deleted file mode 100644
index c53e88fc9093f7e254fce384162b98eab876dc5a..0000000000000000000000000000000000000000
--- a/example_data/web.json
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1f5491fd9c6e6981a2fd1dda7100446b988819f8e5e429da1551aa4d0b3f2b9c
-size 81435941