Animate only the gray-haired man standing in the center of the group. He naturall...

Animate only the gray-haired man standing in the center of the group. He naturally raises one hand and gives a clear thumbs-up ("great!" gesture) with a warm, friendly smile, then keeps the thumb raised. His body position, face, and gaze remain almost unchanged. The other four men remain completely still in their original poses, without any movement, head turns, facial expression changes, or ge...