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: I know it's the final day of summer when it's the finale of @CBSBigBrother #sadness
This tweet contains emotions: 
pessimism, sadness