3D animation style image focusing on the professor as he lifts the glass of wate

3D animation style image focusing on the professor as he lifts the glass of water slightly, with a warm, knowing smile on his face. The camera angle is slightly low, emphasizing the importance of the glass in his hand. The sunlight from the windows highlights the clarity of the water, creating a sense of anticipation. The background shows students in various stages of concentration, some looking at the professor, others at the glass.