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: 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