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: @groovydadad @MHChat 🙂ty I often conflate the two depression + sadness, but they are very different. This q reminded me of that #mhchat
This tweet contains emotions: 
sadness