To answer this question, let's analyze the given information:
Samuel says to Rina, "This person is the daughter of your father's mother and is my sister."
From this statement, we can deduce that Samuel is the brother of the person in the photograph. Now, let's determine the relationship between Samuel and Rina.
Rina's father's mother is her paternal grandmother. So, the person in the photograph is the daughter of Rina's paternal grandmother, which makes her Rina's aunt.
Therefore, Samuel is the brother and the person in the photograph is the aunt of Rina.
Based on this analysis, the correct answer is:
B) Uncle, Aunt