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: What a sad day...1st day of Fall...I don't dislike Fall...I just LOVE Summer #FirstDayofFall #goodbyesummer #sadness #bathingsuitsforever
This tweet contains emotions: 
pessimism, sadness