Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: @Lowetide there is no room for jokes in hockey! This is a serious business where we made up teams to fill out the tournament!
This tweet contains emotions: 
optimism