With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Hulk (comics) is not in American comic books published by Marvel Comics.
text_B: Monaco competed at the 1972 Summer Olympics in Munich , West Germany .. Munich. Munich. Monaco. Monaco. 1972 Summer Olympics. 1972 Summer Olympics. West Germany. West Germany. Five competitors , all men , took part in four events in two sports .
not_related.