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: United Airline at Newark needs more Kiosks so that people won't miss their cut off time.  And hire more ppl too.  #horrible
This tweet contains emotions: 
anger, disgust