Task: Question Answering
Input (English): Passage: On a bright , sunny Monday morning I put on some light clothes and headed outside to mow my lawn . I opened the garage door , put on my sunglasses , and grabbed a bottle of cold water . I gassed up the lawn mower with my portable gas tank .  I cranked to mower , and on the third try it started . I pushed the mower back and forth throughout my yard , creating straight and conformed lines . Once I had completely mowed the front of my yard , I turned the mower off and took long drinks of my water .  Making straight lines in the grass , I completed the backyard , as well . As I turned my mower off , a neighbor who was passing by waved and gave me a smile . I smiled back and continued to clean up and put my mower away . Question: What did he push? Option1: lawn mower Option2: The gas tank
Output (English): lawn mower