With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Colm Feore passed up the role in The Chronicles of Riddick.
text_B: Coleman Bluffs are a loose chain of rock and ice bluffs that trend generally north -- south for 5 nmi , situated near the center of the Outback Nunataks , about 10 nmi northwest of Mount Weihaupt , Victoria Land , Antarctica .. Outback Nunataks. Outback Nunataks. Mount Weihaupt. Mount Weihaupt. Victoria Land. Victoria Land. Antarctica. Antarctica. The feature was mapped by the United States Geological Survey from surveys and U.S. Navy air photos , 1959 -- 64 , and named by the Advisory Committee on Antarctic Names for Harold L. Coleman , meteorologist at the South Pole Station , 1968 .. United States Geological Survey. United States Geological Survey. U.S. Navy. U.S. Navy. Advisory Committee on Antarctic Names. Advisory Committee on Antarctic Names. meteorologist. meteorologist. South Pole Station. South Pole Station. The bluffs lie situated on the Pennell Coast , a portion of Antarctica lying between Cape Williams and Cape Adare .. Antarctica. Antarctica. Pennell Coast. Pennell Coast. Cape Williams. Cape Williams. Cape Adare. Cape Adare
not_related.