Context: Apparently ( keep in mind , I ' m not good with the car talk ) , a rod blew , creating a spark in the engine which set the oil on fire . We grabbed all our stuff out of the car in case it blew up , and called the fire dept . We also called Aaron and Amy to turn around and come rescue us .

Question: Why did they call the fire dept ?
Options:
0. Because they grabbed all their stuff out of the car .
1. Because they thought a fire might erupt .
2. Because a rod blew .
3. None of the above choices .
Answer: 1