문제 내용: 두 사람의 대화 중 자연스럽지 않은 것은?
선택지 1: A: He's finally in a hit movie!
  B: Well, he's got it made.
선택지 2: A: I'm getting a little tired now.
  B: Let's call it a day.
선택지 3: A: The kids are going to a birthday party.
  B: So, it was a piece of cake.
선택지 4: A: I wonder why he went home early yesterday.
  B: I think he was under the weather.