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: Successful people always have two things on their lips #silence nd #smile smile to avoid problems nd silence to avoid the problems too
This tweet contains emotions: 
joy