An occupier is not obliged to ensure that steps or tiered seating offer as much friction as possible; the duty is only to take such care as is reasonable in all the circumstances. The reasonableness of a defendant's response to a foreseeable risk must be measured having regard to the relative unlikelihood that plaintiffs will expose themselves to the risk. Where a structure serves dual functions (e.g., seating and access), the standard of care must account for both functions. A plaintiff must establish not merely that something more could have been done, but that the defendant was unreasonable in not doing more.
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