Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the 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