A vibrant cartoon with colours and smooth animation. Create an original funny 3D cartoon school comedy scene. Main character: Mr. Sharma, an original Indian middle-aged school teacher with a round friendly face, thick black moustache, short messy black hair, large expressive eyes, slightly chubby build, light blue shirt, dark trousers and brown shoes. Scene: Mr. Sharma walks into a lively classroom and confidently asks the students for their homework. One student nervously says that he completed the homework, but his notebook has mysteriously disappeared. Mr. Sharma becomes dramatically confused and looks around the classroom. The students try not to laugh. Use exaggerated funny facial expressions, simple school comedy, colorful 3D cartoon animation, smooth character movement, family-friendly humor, clear visual storytelling, original character design, no copyrighted characters, no logos and no text on screen. Make it feel like an energetic Indian school comedy cartoon with expressive reactions and comedic timing.