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: We got up early in the morning to drive to the mountains . We reached the camp ground at around 3 pm . The first thing we did was find a place to set up our tent . The spot that we picked had a couple of large trees and a place where we could build a camp fire . We set up our tent and put our sleeping bags inside . Next , we went for a walk to gather wood for the camp fire . After we were finished setting up our camp , we got our fishing polls and went down to the lake . We caught a couple of fish for dinner . We put the fish in the cooler and then went swimming for a bit . We cooked the fish over the camp fire . Next , we roasted marshmallows . We sat around the camp fire and talked . Question: What could they build? Option1: campfire Option2: fish
A:
campfire