A + B means A is father of B.
A - B means A is daughter of B.
A * B means A is son of B.
A/B means A is mother of B.
A & B means A is sister of B.
A # B means A is brother of B.
Which of the following relations shows that N and M are husband and wife, respectively?

Option A:

N is father of T, T is sister of W, W is brother of X, X is daughter of M.

In this case N is husband of M.

Option B:

N is father of T, T is sister of W, W is daughter of X, X is daughter of M.

In this case M is mother in law of N.

Option C:

N is father of T, T is sister of W, W is brother of X, X is sister of M.

In this case N is father of M.

 Option D:

N is son of T, T is sister of W, W is brother of X, X is daughter of M. 

In this case N is grand son of M.

So, only option A is correct.