If A=x,y,zA = {x, y, z}A=x,y,z and B=x,y,zB = {x, y, z}B=x,y,z, which of the following is true?
A⊂BA \subset BA⊂B
A=BA = BA=B
A∩B=∅A \cap B = \emptysetA∩B=∅
A∪B=∅A \cup B = \emptysetA∪B=∅