Context: We been wanting to go to the Ma Wan Park for some time but were always full of excuses . After sending my mum to airport today , it was only 9 am . I was sleepy and tired but I did n't want to sleep cos that will make me feel even worse .

Question: Why were they feeling so tired ?
Options:
0. None of the above choices .
1. They had to wake up early to catch a flight at the airport .
2. They had to wake up early to taking their mum to the airport .
3. They had stayed up too late the night before a flight .
Answer: 2