Let R be a non-empty relation on a collection of sets defined by ARB if and only if A∩B=ϕ [closed]

Question

Let R be a non-empty relation on a collection of sets defined by ARB if and only if A∩B=ϕ
(a) R is reflexive and transitive                                   (b) R is symmetric and not transitive
(c) R is an equivalence relation                                  (d) R is not reflexive and not symmetric