Locked static camera. Exact first-to-last frame continuity. Use the first image as the precise start frame and the second image as the precise end frame. Animate only the large yellow gift box. It makes a few very slight, gentle side-to-side rocking motions while remaining fixed in the same floor position and keeping its rigid rectangular shape. The pink bow gradually loosens and softly unties as a natural result of the movement. Then the lid shifts slightly to the right until it matches the end frame exactly. Keep the motion calm, controlled, and believable, with no abrupt acceleration, no jerks, and no exaggerated movement. All other objects remain completely still and unchanged, including the four smaller gift boxes, balloons, cake, confetti, shelves, bench, curtain, walls, floor, reflections, shadows, and lighting. No morphing, no camera movement, no new objects, and nothing emerges from the box. Keep the ribbon hanging naturally after untying without flying or twisting in midair.
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