Based on the given tweet, determine the level of anger the author is experiencing. Choose from the following options: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.
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?
2: moderate amount of anger can be inferred