Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: LOL I have reminders for my ex-gf's birthday approaching. Too bad she considers me acknowledging her existence an affront...
This tweet contains emotions: 
joy