If A=1,2,3A = \\{1, 2, 3\\}A=1,2,3 and B=1,2,3,4B = \\{1, 2, 3, 4\\}B=1,2,3,4, which statement is true?
AcapB=emptysetA \\cap B = \\emptysetAcapB=emptyset
AsubseteqBA \\subseteq BAsubseteqB
BsubseteqAB \\subseteq ABsubseteqA
A=BA = BA=B