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: @InvacareCorp has provided tremendous support for the 2017 CEWHA Nationals as one of our Conn Smyth Sponsors. #2017Nationals #Ottawa
This tweet contains emotions: 
joy, optimism