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 .
According to the above context, choose the best option to answer the following question.
Question: Why did the person need to go through his wallet ?
Options:
- The person was asked to provide some sort of i d to prove he owned the car .
 - The person needed to find money to pay for the root beer .
 - None of the above choices .
 - The person needed to pay the bill for the car wash .


The person needed to find money to pay for the root beer .