Task: Analyze the tweet's emotional connotations and classify 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 best portray the tweeter's mental state.
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