With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Quentin Tarantino writes.
text_B: The ʻomaʻo -LRB- Myadestes obscurus , also called the Hawaiian thrush -RRB- is an endemic species of robin-like bird found only on the island of Hawaii .. endemic. endemism in birds. Hawaii. Hawaii ( island ). ` Oma'o are closely related to the other endemic thrushes of the Hawaiian Islands , the kamaʻo , the olomaʻo , and the puaiohi .. endemic. endemism in birds. Hawaiian Islands. Hawaiian Islands. kamaʻo. kamaʻo. olomaʻo. olomaʻo. puaiohi. puaiohi. ` Oma'o are found primarily in rainforests in the eastern and southeastern regions of the Big Island .. Population estimates approximate 170,000 birds , making it the most common of the Hawaiian thrushes .. It appears to have a stable population , but because the entire population exists on a small range and is endemic to a single island , it is considered vulnerable .. endemic. endemism in birds
not_related.