Given the task definition and input, reply with output. 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".

F: Which sweater do you like better, the cotton one or the woolen one? M: I like the red woolen one., Question: What is the red sweater made of? (A) Wool. (B) Cotton. (C) Wool and cotton.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(A) Wool.