The term "mother’s mother-in-law" refers to the mother of one’s father-in-law, which means the person in the photo is the mother of the father.
Since the person in the photo is the father’s mother, the father is her son.
Consider the relationships among P, Q, R, S, and T:
• P is the brother of Q.
• S is the daughter of Q.
• T is the sister of S.
• R is the mother of Q.
The following statements are made based on the relationships given above.
(1) R is the grandmother of S.
(2) P is the uncle of S and T.
(3) R has only one son.
(4) Q has only one daughter.
Which one of the following options is correct?