Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Just found out tonight my son will not be doing practical work counting towards his GCSE exam. OK then! I thought STEM was all the rage??
This tweet contains emotions: 
anger, pessimism