mation. Note: If a well-known
            named part of such an entity does the data-gathering, then
            generally only those parts are considered sensors, not the
            whole entity. E.g., even though a person gathers
            information, we generally do not consider them to be a
            sensor, but rather the sensors are their eyes, ears, skin,
            etc. In a context such as an ophthalmology convention,
            `well-known part' has a different binding, and they would
    