With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bill Nye starred in a documentary in 2005.
text_B: Richmond-Steveston is a provincial electoral district for the Legislative Assembly of British Columbia , Canada .. provincial. provinces and territories of Canada. electoral district. electoral district ( Canada ). Legislative Assembly. Legislative Assembly of British Columbia. British Columbia. British Columbia. Canada. Canada. Richmond. Richmond, British Columbia
not_related.