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: Worst thing that's happened to you when flying? I had a 16h delay, left my phone in the terminal, and wallet on the plane #nightmare
This tweet contains emotions: 
anger, disgust, fear, sadness