If A+B equals to A who is the brother of B; A-B equals to A who is the sister of B and AxB equals to A who is the father of B.
Which of the following optoin means that C is the son of M?
A. M x N – C + F
B. F – C + N x M
C. N + M – F x C
D. M – N x C + F (more…)