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: @gurrie_j thanks for making me super sad about Pizza.  #freepizza
This tweet contains emotions: 
joy, optimism, pessimism, sadness