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: It's such a strange juxtaposition of emotions. A sense of euphoria but a sense of out most despair.
This tweet contains emotions: 
fear, joy, sadness