Task: Analyze the tweet's emotional connotations and classify 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 best portray 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