Pointing to a lady in the photograph, Sujata said, "Her son's father…

The correct answer is Option (2) → Sister

To find the relationship, let’s break down Sujata’s statement into smaller, logical pieces:

1. Decoding the Statement

• "Her son's father": A lady's son's father is simply the lady's husband.
• "Son-in-law of my mother": The person who is the son-in-law of Sujata's mother is Sujata's husband (or the husband of Sujata's sister).

2. Putting it Together

The statement now reads:

"The lady's husband is the son-in-law of my mother."

• If the lady's husband is the son-in-law of Sujata's mother, it means the lady and Sujata share the same mother.
• Therefore, the lady and Sujata are sisters.

Conclusion

Since the lady is the daughter of Sujata's mother, Sujata is the Sister of the lady in the photograph.