Analyze the following tweet to determine the level of anger expressed. The levels are: 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: A person #hates u for 1 of 3 reasons. They 1) want 2b U; 2) #hate themselves. 3) C U as a #threat. (&amp; don't tell me hate doesn't exist!)