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: @NewYorker @donlemon Trump presidency-a dark age for the USA and the world. He would most definitely take us to war. Short &amp; Long term pain
This tweet contains emotions: 
anger, disgust, pessimism, sadness