Task: Question Answering
Input (English): Context: I was at the Car Pool getting Mrs. Astro 's car washed . I stood in front of the vending machine and decided I wanted a root beer . I reached for my wallet and started sifting through my receipts . I noticed I had two bills . 
Question: Why was the person in front of a vending machine ?
Output (English): He noticed he was thirsty and wanted some root beer to quench his thirst .