Read the statements given and answer the question.A4B means A mother of B, A3B, A is the father of B, A5B is A is son of B, A7B means A is the daughter of B. Out of given equations, which Equation shows that P is the Mother-in-law of S.

Read the statements given and answer the question.A4B means A mother o

1.	Read the statements given and answer the question.A4B means A mother of B, A3B, A is the father of B, A5B is A is son of B, A7B means A is the daughter of B. Out of given equations, which Equation shows that P is the Mother-in-law of S.
A.	P4Q3R7S
B.	P3Q3R3S
C.	P3Q3R7S
D.	P4Q4R3S
Answer» B. P3Q3R3S