Context: He had been sitting in the car for a while waiting for us and listening to the radio . When he went to start his car the battery was dead . So we decided to take my car over there instead . I always hate having to park the car somewhere because then I have to worry is someone going to notice it or is it going to get towed or whatever .

Question: What caused the car battery to be dead ?
Options:
0. None of the above choices .
1. The warranty expired on the car .
2. The car battery was old and had to be replaced .
3. He listened to the radio while the car was turned off and this caused the battery to die .
Answer: 3

Question: What caused the car battery to be dead ?
Options:
0. The car battery was old and had to be replaced .
1. None of the above choices .
2. The warranty expired on the car .
3. Using auxiliary power while playing the radio in the car killed the battery .
Answer: 3