This past weekend was full of challenges . Our truck broke down a few miles into the five hour drive , and we ended up with practically an entire day sweating in the desert heat . We finally gave in and decided to get a rental car to take us the rest of the way .

Question: What 's a possible reason the truck broke down ?
Answer: Because they were a few miles into the five hour drive .Because it is in need of repair .Because they were sweating in the desert heat .None of the above choices .