Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Happy that we played tgt as a team once. Thought there would be another chance out there but sadly no. Rest In Peace my dear friend. :(
This tweet contains emotions: 
sadness