已知全集 U={1,2,3,4,5,6}U = \{1, 2, 3, 4, 5, 6\}U={1,2,3,4,5,6},A={1,3,5}A = \{1, 3, 5\}A={1,3,5},B={3,4,5,6}B = \{3, 4, 5, 6\}B={3,4,5,6},则 (∁UA)∩B(\complement_U A) \cap B(∁UA)∩B 等于