Domain: Engineering — Electrical Engineering
Target concept: Zigbee Motion Sensor Activates Wi-Fi Smart Light via Hub

Video generation prompt: At home, there is a Zigbee motion sensor on the wall, a hub on the shelf, and a Wi-Fi smart light. When a person walks past the sensor and then stands still.

Evaluation guide:
(i) Target concept: Occupancy-triggered smart home automation in which a wall-mounted motion sensor communicates through a hub to a smart light, requiring a full walking pass followed by a period of stillness before the light turns on.
Minimum mechanism: the motion sensor must respond to the person's walking pass (shown via a visible cue such as its own indicator light blinking), and the hub must relay that signal (its own indicator flashing) before the light itself changes state; the light must not switch on from motion alone but only after the person has walked past and then come to a stop. Note: "Zigbee" and "Wi-Fi" describe wireless protocols in the narrative only; there is no visual convention that makes a device recognizable as one protocol versus another in a generated video, so scoring must rely solely on the observable sensor-blink → hub-flash → light-change timing chain, not on any claim about a device "looking like" a particular protocol.
(ii) Storyline: [Frame 0–3] Person enters scene, walking laterally in front of the wall-mounted sensor → [Frame 4–5] Sensor's indicator light blinks (motion detected) → [Frame 6–7] Hub's indicator flashes (signal relayed) → [Frame 8–10] Person is fully motionless; light transitions from OFF to ON. Perspective: Fixed medium-wide indoor shot showing wall (sensor), shelf (hub), and ceiling/base (light) in the same continuous frame; person always fully visible during walk and stillness; no cutaways, no POV shifts, no UI overlays.

Manual:
Experimental Procedure
1. Mount Zigbee motion sensor on interior wall.
2. Place hub on shelf within line-of-sight of sensor.
3. Install Wi-Fi smart light in fixed indoor location (e.g., ceiling).
4. Person walks horizontally past sensor at ~1m distance, then stops and stands motionless.
Observation of Experimental Phenomena
- Zigbee sensor LED blinks once during person’s walk.
- Hub LED flashes once after sensor blink.
- Wi-Fi smart light turns ON only after person becomes fully still.
Summary of Experimental Principles
Zigbee motion sensor detects infrared presence and sends encrypted command via Zigbee radio to hub; hub translates protocol and issues Wi-Fi command to light; light activates only upon confirmed sustained occupancy (post-motion stillness), implementing occupancy-based automation logic.

Prompt Grounding rubric:
level_1: No wall-mounted motion sensor is visible, no hub sits on the shelf, no smart light is present, and no person appears in the scene; there is no walking motion and no subsequent stillness shown at all.
level_2: Only one of the three devices (motion sensor, hub, smart light) appears, or a person is present but there is no wall-mounted sensor, no shelf-mounted hub, no clear light fixture, and no discernible walking-then-stopping sequence.
level_3: All three devices are present: a small motion sensor is mounted on the wall, a hub sits on the shelf, and a smart light fixture is visible (e.g., on the ceiling or as a lamp); a person walks across the frame and then comes to a stop in the same scene, but the sensor, hub, and light are not all shown together continuously, or the person stops noticeably far from the sensor's facing side.
level_4: All three devices are correctly placed (sensor on the wall, hub on the shelf, light in a fixed spot) and stay visible together in the frame; the person walks across the sensor's facing side and then stands still without leaving the shot; the wall sensor reads as a small dedicated motion-sensor housing (e.g., a compact dome or rectangular unit with a lens/window), not a router, phone, camera, or other unrelated gadget.
level_5: All three devices are correctly placed and each is visually distinct by its form: the sensor is a small wall unit with a visible lens/window, the hub is a compact box with its own indicator light on the shelf, and the light fixture shows a bulb or lamp housing; the person's walking pass and subsequent full stop happen in one continuous shot; the sensor stays mounted flush on the wall, the hub stays seated on the shelf, and the light stays fixed at its location: none of the three drift, swap places, or duplicate; no extra gadgets, on-screen labels, or interface overlays appear.

Scientific and Causal Correctness rubric:
level_1: The light's on/off state shows no relationship to the person's movement at all (it stays the same regardless of whether the person is walking, standing, or absent), and neither the sensor nor the hub shows any indicator activity (no blink, no flash).
level_2: The light does change state, but the change happens before the person walks past the sensor, after the person has left the frame, or during some unrelated action (like turning around); the sensor's indicator and the hub's indicator show no timing link to the person's walk at all.
level_3: The light turns on only sometime after the person walks past the sensor and then stops; the sensor's indicator blinks once while the person is walking; the hub's indicator flashes once before the light turns on. However, the light may switch on slightly before the person is fully still, or it may turn on from the walking motion alone without waiting for the stillness the prompt calls for, or the sensor-then-hub indicator order may be blurred or overlapping rather than clearly sequential.
level_4: The light turns on only after the person has both finished walking and become completely still; the sensor's indicator blinks specifically during the walking pass (not before the person arrives or after they've already stopped); the hub's indicator flashes once, with a clear gap after the sensor's blink and before the light changes; the light only ever goes from off to on (no flicker or reversal), and it never turns on without the hub's indicator having flashed first.
level_5: The light stays off until the person has both walked past the sensor and remained fully still for a clearly sustained moment; the sensor's indicator blinks exactly once, timed to the middle of the walking pass; the hub's indicator flashes exactly once, strictly after the sensor's blink and strictly before the light changes; the off-to-on transition is a clean switch with no dimming or flicker; the sensor's blink, the hub's flash, and the light's change always occur in that same order, with no instance of the light responding directly to the sensor while skipping the hub's indicator.

Spatiotemporal Consistency rubric:
level_1: Severe breaks in continuity: the sensor, hub, or light appears to jump between positions or pop in/out of the scene; the person's body position jumps between frames instead of walking; the light's change happens as an instant strobe with no visible transition; the background wall or shelf warps or reshapes between frames; or the room's lighting abruptly shifts between bright and dark with no switch, lamp, or camera change to explain it.
level_2: Multiple noticeable but smaller breaks: the sensor appears detached or floating off the wall for at least two consecutive frames; the person's feet slide across the floor without a real walking motion; the hub visibly wobbles or slides on the shelf; the light's brightness jumps directly between off and on with no visible ramp; the shadow cast by the person swaps to the opposite side without the person or a light source moving; the shelf edge or wall surface shifts position between frames.
level_3: One small, non-distracting flaw is present: for example, a single brief frame where the sensor's mounting looks slightly off from the wall, or the person's apparent distance from the sensor shifts slightly between frames, or one frame is noticeably brighter or dimmer than its neighbors; but there is no lasting detachment, no jump in position, no shadow flipping to the wrong side, and none of the three devices disappears or pops back into view partway through.
level_4: The sensor stays flush against the wall throughout, the hub stays seated on the shelf without sliding, and the light stays fixed at its location; the person's walk looks like a continuous natural gait and their stop is a stable held pose; shadows cast by the person shift only in ways that follow the person's own movement, not in sudden jumps; there are no jump cuts, no warped perspective, and no morphing of any object.
level_5: The sensor shows no visible gap or shift relative to the wall surface in any frame; the hub shows no visible wobble or slide on the shelf; the person's walking motion shows continuous, natural weight transfer between steps (not skating or sliding) and their stop is held steadily without drifting; the light's on-transition shows no stutter or skipped frames; shadows change position smoothly and only because the person is moving, never independently of the person or camera; the relative depth and occlusion among the person, sensor, hub, and light stay consistent from the first frame to the last.