With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A Thousand Suns is a band's fourth album.
text_B: Mount Marquis is a mountain in the southern part of the Du Toit Mountains , situated 4 nmi north of Maury Glacier , 28 nmi south-southwest of Dietz Bluff and 27 nmi due west of the north end of Pullen Island , on the Black Coast of Palmer Land , Antarctica .. mountain. mountain. Du Toit Mountains. Du Toit Mountains. Maury Glacier. Maury Glacier. Dietz Bluff. Dietz Bluff. Pullen Island. Pullen Island ( Antarctica ). Black Coast. Black Coast. Palmer Land. Palmer Land. It was mapped by the United States Geological Survey -LRB- USGS -RRB- from U.S. Navy aerial photographs , 1966 -- 69 , and was named by the Advisory Committee on Antarctic Names after Peter T. Marquis , a general assistant with the British Antarctic Survey -LRB- BAS -RRB- , and a member of the joint BAS -- USGS party to this area , 1986 -- 87 .. United States Geological Survey. United States Geological Survey. U.S. Navy. U.S. Navy. Advisory Committee on Antarctic Names. Advisory Committee on Antarctic Names. Peter T. Marquis. Peter T. Marquis. British Antarctic Survey. British Antarctic Survey
not_related.