Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
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