In light of the provisions in Alberta's Occupiers' Liability Act, which one of the following scenarios would be MOST likely to result in a successful negligence action? Select one: a. A student threw an end-of-the-school-year party. She invited her guests to join her on her patio because the weather was nice. Shortly after it got dark out, one of the guests slipped and fell off the patio onto the grass. He broke his nose as a result of his fall. b. A thief noticed a big "BEWARE OF DOG" sign before he opened the gate to a house. The thief knew the house owner was away for the weekend and it was his intention to steal her jewellery. Just before he made it to the house's front door, the thief was attacked by the house owner's dog. He suffered a bite wound to the thigh before he managed to escape from the yard. c. A shopper slipped on a puddle of water in the freezer section of a grocery store. The puddle of water had been there for 45 minutes and no warning signs were posted near it. The shopper suffered a broken hip as a result of his fall. d. A postman delivered some mail to a person's residence. As he was coming down the residence's front staircase, he slipped and tumbled down the remaining stairs. The postman broke his arm as a result of his fall