Below given question has a main statement followed by four statements labeled A,B,C and D. Choose the ordered pair of statements, where the first statement implies the second and the two statements are logically consistent with the main statement.

Either they live in the city or they live in the suburbs.

(A) They live in the city.

(B) They don't live in the city

(C) They live in the suburbs.

(D) They don't live in the suburbs.