You will be given a definition of a task first, then some input of the task.
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.

Passage: My son needed his diaper changed just a few hours ago . I noticed that his diaper had a distinct smell and felt full , so I carried him back to his changing table . I laid out a disposable diaper in his size and baby wipes . I took off his shorts and his dirty diaper , using it to clean up some of the mess from his bottom . I then used the wipes to clean up any mess that was leftover on his bottom . Once he was adequately clean , I grabbed a new diaper and slipped the back under his bottom . I made sure to talk to him throughout the entire process , and gave him a rattle to play with so that he was distracted . I put his shorts back on , picked him up , and threw away the dirty diaper . He felt much better and was ready to play afterwards . Question: What did the parent be sure was clean? Option1: baby's bottom Option2: baby's bottle
Output:
baby's bottom