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: @CarrieLynne2323 totally get it. When you've said no to donuts 13 times one week and lost 0.3 lbs you get discouraged! But it's not linear 😘
This tweet contains emotions: 
joy, optimism, pessimism, sadness