With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ralph Fiennes is a singer.
text_B: Elgin was a provincial riding in Ontario , Canada , that was created for the 1934 election .. riding. electoral district ( Canada ). Ontario. Ontario. Canada. Canada. It was abolished prior to the 1999 election .. It was merged into the riding of Elgin-Middlesex .. riding. electoral district ( Canada )
not_related.