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: @WilsonsWorld I was in high school and remember helping neighbors clean up back home in Greenville.  Pretty sobering stuff.  #sadness
This tweet contains emotions: 
pessimism, sadness