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: @ajjaffe @MattMurph24 @nickspencer I was under the impression that stop and frisk was a concern to many in NYC. Didn't deBlasio rein it in?
This tweet contains emotions: 
anticipation, disgust, sadness, surprise