Can you solve this problem?
If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?
A. M - N x C + F
B. F - C + N x M
C. N + M - F x C
D. M x N - C + F
Here is a solution: