Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
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