Task: Question Answering
Input (English): Context: His brother had a cookout , and while I was nice to talk with everybody , the flies and mosquites were fierce . We left around 9:30 pm and then went back to the rectory to watch the movie Bella , which was excellent ! ! ! ! If you have n't seen it , I would recommend it . 
Question: Why were the flies and mosquitos fierce at the cookout ?
Output (English): The flies and mosquitos were fierce at the cookout because the cookout was filled with food for them .