Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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