Given the emotion anger and the tweet "When your sister is 19 and throws legitimate temper tantrums just to get attention..", classify the intensity of the emotion displayed in the tweet. The classification options 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.
2: moderate amount of anger can be inferred