dialogue: M: We've got three women researchers in our group: Mary, Betty and Helen. Do you know them? W: Sure. Mary is active and sociable. Betty is the most talkative woman I've ever met. But guess what? Helen's just the opposite.
question: What do we learn from the woman's remark about Helen?
choice: Helen is talkative. Helen is active. Helen is quiet.
answer: Helen is quiet.