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: @CorbettBarr @pjrvs @brianclark true. Just me spitting venom because I'm still bitter with Stripe. Like an old man yelling from his porch.
This tweet contains emotions: 
anger, disgust, sadness