Task: Analyze the tweet to determine the degree of emotion E expressed by the user. Classify it into one of four intensity levels. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E can be inferred.
Tweet: It takes less #muscles to #laugh than to #frown - stops facial &amp; mental aging too! Laugh strongly &amp; often to #lead effectively! #leadership
Emotion: joy
Intensity class: 