Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Hey @AppleSupport - how do I find my play history on new #ios10 #appleMusic #music #lost
This tweet contains emotions: 
sadness