Task: Evaluate the tweet for emotional cues and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that indicate the tweeter's state of mind.
Tweet: #EFT is the single most effective tool I've learned in 40 years of being a therapist-Dr. Curtis A. Steele (psychiatrist) #stress
This tweet contains emotions: 
joy, optimism