Task: Sentiment Analysis
Input (English): Context: I decided to go on a trip to Key West last winter. I made reservations for the trip and a week later flew to Miami. The weather was beautiful in the keys and I went snorkeling. I also spent some time tanning out by the hotel pool. 
 Sentence: I was sad to leave Key West but I had to go back home. 
 Character: I (myself)
Output (English): regret