Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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