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: @Budget  car rental you have made realize why I always use @nationalcares!!!!  What a #nightmare!!  #disgusted
This tweet contains emotions: 
anger, disgust, fear, sadness