Task: Question Answering
Input (English): Question: In an intercollegiate competition that lasted for 3 days, 185 students took part on day 1, 150 on day 2 and 200 on day 3. If 100 took part on day 1 and day 2 and 110 took part on day 2 and day 3 and 50 took part on all three days, how many students took part only on day 3?

 Option A: 45

 Option B: 35

 Option C: 55

 Option D: 30

 Option E: 40
Output (English): Option E