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: @GambieRanger @David__Osland which is why a leader who is encouraging his supporters to deselect is such a concern for many of us.
This tweet contains emotions: 
disgust