With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dwight Schrute was only ever played by Tom Cruise.
text_B: Cleistes is a genus of orchids -LRB- family Orchidaceae -RRB- .. Orchidaceae. Orchidaceae. genus. genus. It contains approximately 40-50 species , most of them native to South America , with a few species extending north into Costa Rica and Trinidad .. South America. South America. Costa Rica. Costa Rica. Trinidad. Trinidad. Two North American species were formerly included in this group , but are now regarded as a separate genus , Cleistesiopsis .. genus. genus. Cleistesiopsis. Cleistesiopsis
not_related.