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: If you think reason will prevail in this election remember that Hitler was elected by what was then a wholly 'reasonable' society.
This tweet contains emotions: 
anger, anticipation, disgust, pessimism