While defendant was required to exercise reasonable care for the protection of patrons on its premises, the unexpected attack on plaintiff by two unidentified assailants at defendant's grocery store is not a situation that defendant could reasonably have anticipated or prevented, even if it had knowledge of similar prior incidents at or near its location ( Davis v City of New York, 183 AD2d 683; Lindskog v Southland Rest, 160 AD2d 842).