Pointing to man in a photograph,a woman said."His brother's father is the only son of my grand father."How is the woman related to the man in the photograph?

Options

A. Mother
B. Aunt
C. Sister
D. Daughter

Explanation

To solve the problem step by step, we will break down the statement made by the woman and analyze the relationships involved.

### Step 1: Understand the statement
The woman says, "His brother's father is the only son of my grandfather."

### Step 2: Identify "his brother's father"
- "His brother" refers to the man in the photograph.
- Therefore, "his brother's father" means the father of the man in the photograph.

### Step 3: Identify "the only son of my grandfather"
- The phrase "the only son of my grandfather" refers to the woman's father. This is because the only son of the grandfather would be the woman's father.

### Step 4: Establish the relationship
From the above steps, we can conclude:
- The father of the man in the photograph (his brother's father) is the same person as the woman's father (the only son of her grandfather).

### Step 5: Determine the relationship between the woman and the man
Since the woman's father is the same as the man in the photograph's father, it means that:
- The woman is the sister of the man in the photograph.

### Conclusion
Thus, the woman is related to the man in the photograph as a **sister**.