Each of these questions is based on the following information:
  1. A + B means A is the mother of B.
  2. A - B means A is the sister of B.
  3. A * B means A is the father of B.
  4. A ? B means A is the brother of B.
1. 

Which of the following means Q is the grandfather of P?

A. P + N * M * Q
B. Q * N * M + P
C. Q ? M ? N * P
D. None of these

2. 

Which of the following means that N is the maternal uncle of M?

A. N ? P - L + E - M
B. N - Y + A ? M
C. M - Y * P - N
D. N ? C + F * M