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: @GCC_DiscGolf lost my xt nova around hole 8 or 9 #sadness
This tweet contains emotions: 
sadness