Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: listening to the Oblivion score, drinking coffee, researching for new sci-fi animated project.
This tweet contains emotions: 
joy, optimism