Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Why are people that don't have iPhones so bitter about iPhones???? Can someone explain
This tweet contains emotions: 
anger, anticipation, disgust, fear, pessimism, sadness