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: @MHChat Childood experiences can  leave you with permanent deep sadness as adult  it can underlie everything #MHChat
This tweet contains emotions: 
sadness