Task: Question Answering
Input (English): Passage: Yesterday I told a story to my son . It was his bed time and he wanted me to help him fall asleep . First , I went over to the bookshelf and picked out a story that I thought he would enjoy .  I opened the book and started at the first page . Together , we both read through the book , sometimes stopped to talk about what we had just imagined . As I read the book my son got more and more tired , eventually falling asleep .  I tucked my son into bed by pulling the blanket up to his chin , then I walked over to the bookshelf and placed the book back where I had gotten it from . Then I turned off the lights and left the room . Question: When did their son lay down in bed? Option1: During dinner Option2: At bedtime
Output (English): At bedtime