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: I think I may have a mild anxiety problem. I think that's what this feeling may be..
This tweet contains emotions: 
fear, sadness