Teacher: In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Tracy slept awkwardly on their new bed and was having some pain, so Tracy cracked her neck.
Question: What did Tracy do with her neck?
Solution: crack her neck
Reason: The output phrase perfectly answers the question and is explicitly mentioned in the passage as well.

Now, solve this instance: I left early from work with a migraine today . I hadn't had one since college , and in high school I had one about every six months . The onset of symptoms are the worst - first , you have a splitting headache . No worries , I took some Aleve that I had in my cabinet in the office . Didn't work . It's the sense of your mind fighting against you , maddening and frightening at the same time .
Question: What may have been your reason for leaving work early ?
Student:
I was feeling pain .