Choose the pair of words that does not fit with the others.

C. WATER - FIRE

In a family of six members A, B, C, D, E, and F, there are two married couples. A is a teacher, B is a doctor, and C is a lawyer. D is the mother of E and F. Who is the father?

B. B

If J ÷ K means J is the uncle of K, and K - L means K is the sister of L, what is the relationship between J and L?

A. COUSIN

If 'CAT' is coded as '3120', what is the code for 'DOG'?

A. 4157

M, N, O, P, ?

A. Q