diff --git a/python/dolma/core/data_types.py b/python/dolma/core/data_types.py
index d71bbab3..77b40d19 100644
--- a/python/dolma/core/data_types.py
+++ b/python/dolma/core/data_types.py
@@ -36,6 +36,7 @@ class InputSpecWithMetadataAndAttributes(InputSpecWithMetadata):
 class OutputSpec(Struct):
     id: str
     attributes: Dict[str, List[TaggerOutputValueType]]
+    first_two_hundred_text: Optional[str] = None
     source: Optional[str] = None
 
 
diff --git a/python/dolma/core/runtime.py b/python/dolma/core/runtime.py
index ac5e2a23..52f093a4 100644
--- a/python/dolma/core/runtime.py
+++ b/python/dolma/core/runtime.py
@@ -217,7 +217,7 @@ def _write_sample_to_streams(
 
     for stream_path, attributes in attributes_by_stream.items():
         # actually write
-        output = OutputSpec(source=row.source, id=row.id, attributes=attributes)
+        output = OutputSpec(source=row.source, id=row.id, attributes=attributes, first_two_hundred_text=row.text[:200])
         output_streams[stream_path].write(output)