With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The first single by The Who reached the UK top fifty.
text_B: Yahya Atan -LRB- born 1954 -RRB- is a Malaysian field hockey player .. field hockey. field hockey. He competed at the 1984 Summer Olympics in Los Angeles , where the Malaysian team placed 11th .. 1984 Summer Olympics. 1984 Summer Olympics. Los Angeles. Los Angeles
not_related.