With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: 1956 was the year when Kerala was formed.
text_B: The WHL 's U.S. Division -LRB- United States Division -RRB- was formed in 2001 as part of the Western Conference in a league realignment , the predecessor of which was the West Division .. WHL. Western Hockey League. As its name suggests , the teams are from the United States Pacific Northwest , which has four teams in Washington state and one in Oregon .. Pacific Northwest. Pacific Northwest. Washington state. Washington state. Oregon. Oregon. The aforementioned league realignment divided the WHL into two conferences of two divisions each  : Eastern Conference  : East Division ; Central Division ; Western Conference  : U.S. Division ; and the B.C. Division .. WHL. Western Hockey League
not_related.