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: #ThisIsUs has messed with my mind &amp; now I'm anticipating the next episode with #apprehension &amp; #delight! #isthereahelplineforthis
This tweet contains emotions: 
anticipation, joy