Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: Hey @NHSEngland imagine being blue lighted to hospital unable to breathe only to be dumped in a cubicle and not seen for 4 hours #horrendous
This tweet contains emotions: 
anger, disgust, fear, sadness