Task: Question Answering
Input (English): Question: The first flight out of Phoenix airport had a late departure. If the next three flights departed on-time, how many subsequent flights need to depart from Phoenix on-time, for the airport's on-time departure rate to be higher than 50%?
I will see what is the quickest way to solve it then I will provide the explanation

 Option A: 3

 Option B: 7

 Option C: 9

 Option D: 10

 Option E: 11
Output (English): Option A