Synthetic demo • AI-assisted. Fictional discussion exercise with simulated dates. No real purchase, customer review, patient, expert identity or experimental result is represented.
One image was taken beside a window and the other under a warm lamp. How should a colour comparison be qualified? This is an explicitly synthetic discussion case for reviewing evidence and documenting uncertainty; it does not describe a real purchase, patient or experiment.
Discussion record: WATCH-23893. No additional facts are implied by this exercise format.