Task: Analyze the tweet's emotional expression, classifying it as 'neutral or no emotion' or as one or more of the identified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's emotional state.
Tweet: @SFBART This driver is telling the passengers we did a very good job and saved a life today. That's it. #tears
This tweet contains emotions: 