dialogue: M: Mrs. White looks worried these days. W: So she does. Steven hurt himself a week ago. M: Oh, I'm sorry to hear that. What happened to him? W: He forgot to cut off the electricity before he mended the light. She was sorry that her husband wasn't at home then. M: The child is too young to do that, I think. W: So do I. He almost cut his finger off. It nearly broke Mother's heart.
question: When did Steven hurt himself?
choice: Last week. This week. A month ago.
answer: Last week.