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: Tiangong 1, China's first space laboratory, will come to a fiery end in late 2017. The average decommissioned satellite either burns ...
This tweet contains emotions: 
neutral or no emotion