I was late for work today because I had a hangover . I have n't had a workday hangover in a million years . But , Rick and I started drinking on our patio early . Alex came over and joined us .

Question: What was the cause of my hangover ?
Answer: None of the above choices .I drank too much fruit juice the night before .I drank too much milk the night before .I drank too much coffee the night before .