Question: Sam couldn't turn off his computer and it was stuck.  He didn't know why, but he called tech support because he was sure of what?

Choices: 
- make decisions
- reason exists
- control model
- power down
- believe in satan

The rationale to choose "reason exists" as the answer is that: 

sam couldn't turn off his computer and it was stuck. he didn't know why, but he called tech support because he was sure of reason exists