Task: Question Answering
Input (English): 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 he push the start button? Option1: After he checked the gas level. Option2: While he was in the shed.
Output (English): After he checked the gas level.