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 envy ice, at least if you give it warmth it melts #TaylorLautner #Twilight #hilarious #quote
This tweet contains emotions: 
joy, optimism