With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The top two seeds had already played in the Conference Finals both in the East and the West in the 1974 , 1975 , 1983 , 1986 , 2001 and 2005 playoffs .
text_B: After the 1974 , 1975 , 1983 , 1986 , 2001 , and 2005 playoffs , this was the first postseason ( and the seventh time since 1972 , when the current playoff system was put in place ) in which the top two seeds played in the Conference Finals both in the East and the West .
SUPPORTS.