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: Today I decided that the grass in my backyard was getting too high and needed to be cut . I walked out to the shed where I keep my mower and wheeled it out onto the concrete pad . I checked the level of gasoline in the engine and decided I had enough to complete the job . . The mower started and I began to walk the the mower back and forth across my lawn up and down forming neat slightly overlapping rows . The smell of fresh cut grass was nice . When all the grass had bee neatly cut I turned off the mower and returned it to the little metal shed in my back yard . Looking over my work for the afternoon I was happy that I had completed the job and then went inside the house and drank a tall glass of cool lemonade . Question: When did they wheel the mower in the yard? Option1: today Option2: yesterday
A:
today