<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["en", "en"].<end_of_turn>
<start_of_turn>user
Question: A and B are brothers, C and D are sisters. A’s son is D’s brother. How is B related to C?


a. Father
b. Brother
c. Uncle
d. Grand Father
<end_of_turn>
<start_of_turn>model
Answer: (c)

C is the sister of son of A. Hence, C is the daughter of A. So, C is the daughter of B’s brother. Hence, B is the uncle of C.<end_of_turn><eos>