With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: William R. Tolbert Jr. was killed in a coup d'état led by Samuel Doe.
text_B: `` You Sang to Me '' is a 2000 hit song by Marc Anthony , and was released as the third single of his first English language album Marc Anthony .. Marc Anthony. Marc Anthony ( album ). English language. English language
not_related.