Context: BC powder only works a good 6 hours . It really did nt do shit for the hangover . I was supposed to go out tonight but she was being slightly avoiding and since it was about to be put off for another week i just canceled . I got the crazy idea that eating ice cream would get rid of the headache . It 's not working , so I guess i 'll just eat the rest of it to see if i was right or not .

Question: Why does the speaker have a headache ?
Options:
0. None of the above choices .
1. They are having low blood sugar .
2. They are experiencing a hangover .
3. They hit their head .
Answer: 2