Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: What a great training course, lots of photos, fun and laughter. Photo's will be up soon #Boostercourse #fun #laughter
This tweet contains emotions: 
joy, optimism