Context: My mouth is filled with blood , Dan says it smells , I say it smells like roses ... bloody roses . I like that Sel song , Kiss from a Rose . I look like a vampire , blood all over my lips .

Question: What might be a reason that my mouth is filled with blood ?
Options:
0. None of the above choices .
1. I bit the inside of my mouth , accidentally , and it started bleeding .
2. I tripped and fell and hit my mouth on the ceiling .
3. I kissed a rose and hit some thorns by mistake , cutting my mouth .
Answer: 1