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: Maybe the entire Russian team will test positive for meldonium and the North Americans will get to replace them #optimism
This tweet contains emotions: 
optimism