Which property defines the conditional probability of AAA given BBB as P(A∣B)=1P(A|B) = 1P(A∣B)=1?
B⊂AB \subset AB⊂A
A⊂BA \subset BA⊂B
A∩B=∅A \cap B = \emptysetA∩B=∅
A=BcA = B^cA=Bc