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: @JMRescue not brilliant lol! Hoping seeing my horse tomorrow will cheer me up 😄 #equestrianhour
This tweet contains emotions: 
joy, optimism