Context: I checked the internet when I got home . Of course people who are deaf can drive . If hearing was so significant in driving those taking the test would have hearing checks and there would be a ban on playing music in the car . How do people who are deaf know there are emergency vehicles about ?

Question: What may have happened if he had not checked the internet ?
Options:
0. He may have gotten a hearing test .
1. There may have been a ban on playing music in the car .
2. He may have believed that deaf people could not drive .
3. He may not have known what to do for emergency vehicles .
Answer: 2