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: @MisterSalesman @ThinkPostsDaily #smiling doesnt necessary means your happy.sometimes it just means you're strong!
This tweet contains emotions: 
joy, optimism, trust