With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: UFC 216 is an event for mixed martial artists.
text_B: Muck Glacier is a glacier between Campbell Cliffs and Sullivan Ridge in the Queen Maud Mountains .. glacier. glacier. Campbell Cliffs. Campbell Cliffs. Sullivan Ridge. Sullivan Ridge. Queen Maud Mountains. Queen Maud Mountains. It flows generally northward from Husky Heights , and then eastward around the north end of Sullivan Ridge to enter Ramsey Glacier .. Sullivan Ridge. Sullivan Ridge. Husky Heights. Husky Heights. Ramsey Glacier. Ramsey Glacier. Named by Advisory Committee on Antarctic Names -LRB- US-ACAN -RRB- for Maj. James B. Muck , USA , of the U.S. Army Aviation Detachment which supported the Texas Tech Shackleton Glacier Expedition to this area , 1964-65 .. Advisory Committee on Antarctic Names. Advisory Committee on Antarctic Names. James B. Muck. James B. Muck. U.S. Army Aviation Detachment. U.S. Army Aviation Detachment. Texas Tech Shackleton Glacier Expedition. Texas Tech Shackleton Glacier Expedition. Category  : Glaciers of the Ross Dependency
not_related.