Task: Question Answering
Input (English): Context: That was a pretty awesome birthday . Spent first six hours of it at work , came home , hit the sack , and went out for dinner with workmates and friends . Pretty good turnout , and everyone had a really fun night . 
Question: Why did the person decide to go to bed when they arrived home from work ?
Output (English): They wanted a quick nap so as to be well rested for their party.