Task: Evaluate the tweet for emotional cues and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that indicate the tweeter's state of mind.
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