Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: @ryanwilson2015 That's why compatibility is key as it lowers hedonic volatility.
This tweet contains emotions: 
anticipation, optimism