Context: I did n't think it could ve been that cause my fever got up to 104 and I felt like death but I guess that 's what it is . all they told me to do is take motrin for the pain cause I guess it 's gon na get pretty bad . I need some potassium cause I guess my potassium count is really low , and I do n't want to go through that again . I always get sick at the worst times , I swear .
Question: What may be the reason for the high fever ?
Option 0: A virus .
Option 1: None of the above choices .
Option 2: The environment .
Option 3: The stress .
Answer: 0