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: @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