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: Just watching #Phoenix video for the first time. Holy fuck, this guy is seriously deranged, unhinged. Why is everyone not #terrified?
This tweet contains emotions: 
anticipation, disgust, fear, pessimism