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: I told myself i wouldn't talk about this but i need to bring it up. I'm slightly bitter about the tøp cover of cancer
This tweet contains emotions: 
anger, disgust, sadness