Question: Jane was a human who had to poop really bad.  But she couldn't because her ride was about to come in and she didn't want to miss it.  Where might she be?

Choices: 
- bed
- airport
- mall
- homes
- bathroom

The rationale to choose "airport" as the answer is that: 

airport is only place that a ride would come in and a airplane wouldn't wait for her, like a taxi or such would