With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Evolution was by an American female actress.
text_B: The white-bellied green pigeon -LRB- Treron sieboldii -RRB- is a species of bird in the family Columbidae .. Columbidae. Columbidae. Treron. Treron. bird. bird. It is found in China , Japan , South Korea , Laos , Russia , Taiwan , Thailand , and Vietnam .. China. China. Japan. Japan. South Korea. South Korea. Laos. Laos. Russia. Russia. Taiwan. Taiwan. Thailand. Thailand. Vietnam. Vietnam. Its natural habitat is temperate forests .. habitat. habitat
not_related.