Task: Question Answering
Input (English): Passage: My baby boy woke me up last night . He was crying very loudly . I got up to see why he was crying so much . I picked him up to comfort him . I noticed that his diaper was full . I laughed out loud . I got ready to change him . First I went into the bathroom and washed my hands . I got a diaper from the closet . I also grabbed some moist wipes . I put a towel underneath him . He likes to have his diaper changed , so he was happy . I took off his diaper and set it next to him . I put his new diaper on , and threw the old diaper away . I put the towel from the bed in the laundry . He was so happy to have a clean diaper ! Question: Who did they lay on his back? Option1: the baby boy Option2: blanket
Output (English): the baby boy