Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
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