Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @KissFMUK rescue my morning, turned up to the gym an hour early before it opened! #nightmare ☝️
This tweet contains emotions: 
anger, disgust, fear, sadness