Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: So they #threaten to kill #kapernick for KNEELING. I say every athlete just stop playing until social justice and equality comes forth.
This tweet contains emotions: 
anger, disgust, fear