Create an illustration with a birthday theme that showcases a playful scene in a classroom. At the center, position a mischievous brown-black cat, who is wearing a graduation cap and is seated on a pile of books, judging papers with a cheeky expression. Near the cat, place a wine bottle desk with a label reading 'The Teacher's Reward.' The background should give a festive-party feel to the classroom, with decorations of streamers and balloons. Lastly, the words 'Happy Birthday' should be written on a blackboard in the backdrop.

Generated with these themes: Brown black cat, Wine, and School teacher.

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