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: The news is disheartening. Everything that is going on is a result of a lack of understanding and misinformation by the media. #sadness
This tweet contains emotions: 
disgust, pessimism, sadness