Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: My friends tell me I'm pretty. Trigger tells my I'm ugly. I first was confused but then realised I'm both. Pretty ugly. #tru #sad #tumblr
This tweet contains emotions: 
optimism, sadness