Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: one ep of despair arc made me happy but and then i'm going back to future arc and i'm upset again.
This tweet contains emotions: 
anger, disgust, sadness