Determine how strongly anger is expressed in the following tweet. Use the scale: 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: If ydu yell 'fire' in a crowded theater you will burst into flames. It's a cool trick, bu: only once.
1: low amount of anger can be inferred