With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Emmy Rossum was in an indie romantic drama film.
text_B: Langfitt Run is a stream in the U.S. state of West Virginia .. stream. stream. U.S. state. U.S. state. West Virginia. West Virginia. Langfitt Run has the name of Ebenezer Langfitt , a local pioneer .
not_related.