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: not going to waste my energy holding a grudge against someone who wasnt even in my life a year XD \ntime to release those feelings of dislike
This tweet contains emotions: 
optimism