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 ?
Answer: None of the above choices .He was trying to keep out the way of the people washing the car .He needed to get out of the car as Mrs. Astro 's car was being washed .He noticed he was thirsty and wanted some root beer to quench his thirst .