Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: @Brennan_PB Backs up what I always thought ... yer all as mad as each other 😂
This tweet contains emotions: 
anger, disgust, joy