Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: @JMRescue not brilliant lol! Hoping seeing my horse tomorrow will cheer me up 😄 #equestrianhour
This tweet contains emotions: 
joy, optimism