To answer this question, we need to analyze the given information and determine the relationship between Samuel, the person in the photograph, and Rina.
According to the information given, Samuel states that the person in the photograph is the daughter of Rina's father's mother. This means that the person in the photograph is Rina's aunt.
Samuel also states that the person in the photograph is his sister. Therefore, Samuel and Rina are siblings.
Based on this information, we can conclude that Samuel is Rina's brother and the person in the photograph is Rina's aunt.
So, the correct answer is:
B) Uncle, Aunt