Task: Question Answering
Input (English): Question: Of the 600 residents of Clermontville, 35% watch the television show Island Survival, 40% watch Lovelost Lawyers and 50% watch Medical Emergency. If all residents watch at least one of these three shows and 18% watch exactly 2 of these shows, then how many Clermontville residents X watch all of the shows?

 Option A:  150

 Option B:  108

 Option C:  42

 Option D:  21

 Option E:  -21
Output (English): Option D