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: I have a dog , My dog needs to go outside for exercise and to go to the bathroom . I get my dogs leash , and I call my dog . I put the leash on my dog 's collar . My dog jumps up and down by the door because she is really excited . My dog and I go out the door and I lock it behind us . We go down the steps of our apartment and out into the street . She smells the street and the grass and the air . She is very happy to be walking outside . She will first stop to use the bathroom , and I will be sure to clean up after her with a paper towel , and throw it in the nearest garbage . Then we will keep walking . I will make sure that she is friendly to people , but if people are scared because she is big , I will keep her near me . We walk back to our house , climb the stairs , and open the door . When we are inside I take off her leash . She goes to drink water and then takes a nap . Question: Where did they leave to? Option1: go on a walk. Option2: upstairs
A:
go on a walk.