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 ?
Option 0: None of the above choices .
Option 1: He was trying to keep out the way of the people washing the car .
Option 2: He needed to get out of the car as Mrs. Astro 's car was being washed .
Option 3: He noticed he was thirsty and wanted some root beer to quench his thirst .
Answer: 3