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: RE: #politicallycorrect #BS   What if I am #offended by your assumption the USA should change because you are a 'visitor' &amp; don't like it?
This tweet contains emotions: 
anger, disgust, sadness