Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: Listening to these refugee children, barely a decade old, describe the horrific acts they were forced to commit is terrifying. #DatelineSBS
This tweet contains emotions: 
anger, disgust, fear, sadness