Prompt code:
A quirky and vibrant illustration of a group of chubby cats in a retro gym, each striking a hilarious and exaggerated yoga pose on their colorful mats. Their facial expressions showcase a mix of determination and struggle. The gym is adorned with vintage-style motivational posters like "Purrsevere" and "Feel the Burn, Not the Fur!". The overall atmosphere is lively and energetic, with a touch of grungy aesthetic and a pop art influence.
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