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: The new baby must be keeping you up at all hours of the night. W: She's been pretty good since my mother moved in, and she's sleeping for a longer time at night. It's my thoughts as a mother that keep me awake at night., Question: Why can't the woman sleep at night? (A) The baby keeps crying. (B) Her mother moved in recently. (C) She is not used to her new role as a mother.
Output:
(C) She is not used to her new role as a mother.