Given the emotion anger and the tweet "Why are people that don't have iPhones so bitter about iPhones???? Can someone explain", 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.
3: high amount of anger can be inferred