Prad entered Drug Store to make some purchases. As he was searching the aisles for various items, he noticed a display card containing automatic pencils. The display card was on a high shelf behind a cashier's counter. Prad saw a sign on the counter that read, "No Admittance, Employees Only." Seeing no clerks in the vicinity to help him, Prad went behind the counter to get a pencil. A clerk then appeared behind the counter and asked whether she could help him. He said he just wanted a pencil and that he could reach the display card himself. The clerk said nothing further. While reaching for the display card, Prad stepped sideways into an open shaft and fell to the basement, ten feet below. The clerk knew of the presence of the open shaft, but assumed incorrectly that Prad had noticed it. Prad sued Drug Store to recover damages for the injuries he sustained in the fall. The jurisdiction has adopted a rule of pure comparative negligence, and it follows traditional common-law rules governing the duties of a land possessor. Will Prad recover a judgment against Drug Store? 
No, because Prad was a trespasser.  No, unless Prad's injuries resulted from the defendant's willful or wanton misconduct.  Yes, because the premises were defective with respect to a public invitee.  Yes, if the clerk had reason to believe that Prad was unaware of the open shaft. 