Given A={1,2,3}A = \{1, 2, 3\}A={1,2,3} and B={1,2,3}B = \{1, 2, 3\}B={1,2,3}, which of the following is false?
A⊆BA \subseteq BA⊆B
A⊂BA \subset BA⊂B
A=BA = BA=B
B⊆AB \subseteq AB⊆A