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: @Janet_Reid Wonderful post! Novelists shouldn't be discouraged by rejection, but they usually are because their work is so personal.
This tweet contains emotions: 
joy, optimism, trust