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: When the lights shut off and it's my turn to settle down, my main concern...
This tweet contains emotions: 
anticipation, optimism, sadness