Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: @Varneyco @SheriffClarke I agree. Rioters destroy property, injure citizens, and threaten lives. We need a zero tolerance policy on riots.
This tweet contains emotions: 
anger, disgust