Using the tweet "It takes less #muscles to #laugh than to #frown - stops facial &amp; mental aging too! Laugh strongly &amp; often to #lead effectively! #leadership", determine how much anger is shown. The categories 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.