Context: I tried to schedule a recording to start at the next hour , and it did n't . The TV schedule was fine and thought it was recording , but the DVR had not received this message . The FiOS DVR help screens were 100 % useless , so I poked around online and found the only suggest was to reboot the DVR .

Question: What may be the reason their show was n't recorded ?
Options:
0. They did n't schedule it for the right day .
1. They do n't know how to use the DVR .
2. They just got the DVR and never read the manual .
3. There 's something wrong with their DVR .
Answer: 3