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: On Sunday morning , I decided to mow the lawn because the grass had gotten very tall . I put on and old t-shirt and shorts . I went in to the garage and grabbed the red gas can . I opened the garage door and pushed the lawn mower to the corner of the lawn . I grabbed the cord and pulled quickly . The motor started . When I reached the sidewalk , I turned around with the mower and moved a little to the left . I pushed the mower again to the opposite side of the lawn . When I finished the front yard , I mowed the back yard too . Question: How did they mow the grass? Option1: they used a lawn mower Option2: with a gas can
A:
they used a lawn mower