You will be given a definition of a task first, then some input of the task.
In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".

M: Excuse me. How much is the T-shirt? W: It's 35 dollars. M: But it's too small for me. Do you have a bigger one? W: Yes. Here you are., Question: What is the relationship between the two speakers? (A) Teacher and student. (B) Parent and child. (C) Shop assistant and customer.
Output:
(C) Shop assistant and customer.