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: @matthew_meadows Since it's a friend of Pereg's I don't want to offend :) #Peace
This tweet contains emotions: 
joy, optimism, sadness, trust