Task: Question Answering
Input (English): Question: Of the 150 employees at company X, 50 are full-time, and 100 have worked at company X for at least a year. There are 20 employees at company X who aren’t full-time and haven’t worked at company X for at least a year. How many full-time employees of company X have worked at the company for at least a year?

 Option A: 20

 Option B: 30

 Option C: 50

 Option D: 80

 Option E: 100
Output (English): Option A