Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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