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: In 2016, Black people are STILL fighting to be recognized as human beings. #cantsleep #angry
This tweet contains emotions: 
anger, disgust