Question: After chewing food and swallowing it during meals, what needs to happen for you to be able to successfully use the bathroom later?

Choices: 
- good digestion
- aid digestion
- eating
- sore mouth
- toothache

The rationale to choose "good digestion" as the answer is that: 

. good digestion after chewing food and swallowing it during meals, what needs to happen for you to be able to successfully use the bathroom later?