Duhhhh...

Iz wrote this quiz for me while we were sitting in the lobby of the Paly Alty minivan dealership, waiting for the salesperson to explain why we should pay $5000 over MSRP solely for the privilege of buying our vehicle in his tony town, when the Deadwood dealership listed straight MSRP and was willing to negotiate:

What is fire?

[ ] solid
[ ] liquid
[ ] gas

My answer: Urp? Um, none of the above, or maybe part gas? Isn't it light? Oh, jeez. How can I not know this?