Detailed Instructions: You are given a paragraph (Passage), a question (Question) and two answer options (Option1 and Option2). Your task is to find the correct answer (and return the string of the correct option, not option1/2) for the given question from the given options and based on the given passage. Answer of the question can be found directly from the passage.
Q: Passage: When my daughter was first born , I had only changed a few diapers in my lifetime . After she was born , I had to change a lot . When we were in the hospital , she only went to the bathroom a few times , but I changed her diaper there . Then , when she would cry , I would take her onesie off and take off her old diaper . I would make sure that she was really clean down there and then get ready to put the new diaper on . When she was ready , I would put the new diaper on below her , and then put the new straps on . Then , after I was done with that , I would put her onesie back on so that she would stay warm . Question: When did they change the diaper? Option1: when she walked Option2: After the birth of the baby
A:
After the birth of the baby