Classify the emotions found in the tweet "At 12:01, Tumblr became sentient. At 1.:02, Tumblr posted gn animated gif about it. At 12:03, Tumblr shipped itself.". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
joy