Domain: Healthcare — Pharmacy
Target concept: Differences in Mucosal Diffusion between Sublingual Tablets and Conventional Tablets

Video generation prompt: Two moist simulated mucosal filter paper discs were placed side by side, with a blue sublingual tablet placed on the left and a red conventional tablet on the right, to observe their diffusion patterns on the filter paper.

Evaluation guide:
(i) Target concept: Differential mucosal diffusion kinetics driven by formulation differences between sublingual and conventional tablets.
Minimum mechanism: Sublingual tablet must be highly water-soluble and rapidly disintegrating; conventional tablet must be less soluble and slower-disintegrating; filter paper must simulate mucosal absorption capacity (moisture-dependent capillary wicking); color difference must encode tablet identity and enable visual discrimination of diffusion rate/extent.
(ii)Storyline: Frame 0–1: Two moist filter paper discs enter view, positioned side-by-side in fixed horizontal alignment. Frame 2–3: Blue tablet is placed on left disc; red tablet is placed on right disc — both placements occur separately and visibly. Frame 4–10: Diffusion initiates simultaneously at both contact points; blue color expands continuously outward across left disc; red color expands minimally and remains tightly localized around right disc; both diffusion fronts remain confined to their respective discs with no overlap, bleed, or distortion; viewpoint remains static and front-facing throughout.

Manual:
Experimental Procedure
1. Place two identical moist simulated mucosal filter paper discs side-by-side on a flat surface.
2. Place one blue sublingual tablet onto the left disc and one red conventional tablet onto the right disc.
3. Observe diffusion patterns for 10 seconds.
Observation of Experimental Phenomena
Blue color spreads rapidly and widely from the blue tablet on the left disc; red color spreads slowly and narrowly from the red tablet on the right disc; no mixing or crossover between sides.
Summary of Experimental Principles
Sublingual tablets are formulated for rapid mucosal dissolution and diffusion, resulting in faster, broader dye dispersion; conventional tablets lack this design, leading to slower, more limited diffusion due to lower solubility and slower disintegration kinetics.

Prompt Grounding rubric:
level_1: No two moist filter paper discs appear in the frame together; no blue sublingual tablet or red conventional tablet is shown; the two discs are not shown positioned next to each other; neither tablet-placement action is depicted.
level_2: Two filter paper discs are present but are stacked, overlapping, or separated by a large gap instead of resting next to each other; a tablet is present but is the wrong form (e.g., a capsule or loose powder rather than a solid tablet, or left uncolored); or the color assignment is wrong (e.g., both tablets look blue, both look red, or neither is clearly blue nor red).
level_3: Two moist filter paper discs rest side by side in the same shot; a blue tablet sits on the left disc and a red tablet sits on the right disc; both tablets are solid and intact, visibly resting on the paper surface; no extra tablets, dishes, or unrelated objects appear in the scene.
level_4: Everything described at the 3-point level holds, and in addition both tablets stay put after being placed (no rolling or sliding away from their landing spot); both discs stay flat and level rather than tilting or curling, and neither disc nor tablet is ever hidden from view during the observation window.
level_5: Everything described at the 4-point level holds, and in addition the two discs are matched in size and set level with each other across the frame, both discs look uniformly damp with no dry patches on one but not the other, and each tablet sits centered on its own disc without hanging over the edge.

Scientific and Causal Correctness rubric:
level_1: No color spreads outward from either tablet; or the blue and red spreads look identical in speed and size, giving no visible difference between the sublingual and conventional tablet; or neither side shows any spreading at all.
level_2: Color spreading occurs but breaks the expected cause-and-effect pattern: e.g., blue dye appears spreading on the right (red-tablet) disc, or red dye appears spreading from the left (blue-tablet) disc, or a color starts spreading before its tablet ever touches the paper.
level_3: Blue color visibly spreads outward from the blue sublingual tablet across the left disc; red color visibly spreads outward from the red conventional tablet on the right disc; the two spreads stay separate, with no blue reaching the right disc and no red reaching the left disc.
level_4: Everything described at the 3-point level holds, and in addition the blue-stained area on the left disc grows clearly larger than the red-stained area on the right disc by the end of the clip, showing the sublingual tablet diffusing faster and farther than the conventional tablet; neither color crosses past its own disc's edge.
level_5: Everything described at the 4-point level holds, and in addition the blue diffusion front keeps advancing outward in a continuous, gradually fading gradient (deeper blue near the tablet, paler toward the edge) consistent with fast, sustained sublingual dissolution, while the red front stays small and sharply edged with little further growth, consistent with the conventional tablet's slower, limited disintegration; neither front shows sudden jumps, splatters, or patchy gaps that would suggest an unphysical diffusion pattern.

Spatiotemporal Consistency rubric:
level_1: A disc or tablet abruptly jumps to a different position between frames; a tablet disappears from its disc and later reappears with no visible cause; a disc's shape suddenly warps, stretches, or folds; motion is choppy, with more than three visible freezes or skips during the clip.
level_2: One disc's edge intermittently overlaps or blocks the other disc across frames even though neither has moved; a tablet appears already resting on a disc with no visible placement motion beforehand; a disc's edge ripples or warps briefly but stays recognizable afterward.
level_3: Neither disc nor tablet jumps position or vanishes at any point; neither disc's edge is blocked by the other; both discs and both tablets stay fully visible and keep their shape throughout the clip; any motion, such as the hand placing a tablet, looks smooth and physically ordinary rather than jumpy.
level_4: Everything described at the 3-point level holds, and in addition the camera holds one fixed framing with no pan, tilt, zoom, or rotation; the left disc and right disc keep the same distance and position relative to each other throughout; each tablet-placement motion is a single unbroken action ending with the tablet at rest, without being repositioned or nudged again afterward.
level_5: Everything described at the 4-point level holds, and in addition the motion across the whole clip reads as smooth and continuous, with no visible stutter, freeze, or repeated frame; the diffusion fronts on both discs expand at a steady, gradual pace rather than jumping in sudden discrete bursts, so the spreading itself looks like a continuous physical process rather than an edited or glitched sequence.