Task: Question Answering
Input (English): Passage: The grass was getting tall , so I decided to mow my lawn . I went to the garage to get the lawn mower . In the garage , I opened the gas cap on the lawn mower to see how much gas was in it . I topped up the tank with the gas can , then put it back on the shelf . Next , I pushed the mower out into the lawn and grabbed the starter cord with both hands . I yanked as hard as I could until the engine started up with a roar . I turned off the mower and put it away in the garage , then I grabbed my rake off a shelf near where I keep the mower . I took the rake and scooped up big piles of the cut grass to put into the garbage can that I keep near my back door . After I was done raking I could admire my freshly cut lawn . Question: When did he get the gas can? Option1: after the lawn was mowed Option2: after checking how much gas was in the lawnmower
Output (English): after checking how much gas was in the lawnmower