Case 2 A delivery person for ABC Dairy Company left three quarts of chocolate milk on Bob Smith's porch. Bob took the milk inside and during the course of next two days drank the milk. This went on for two weeks, and then ABC billed Bob for the chocolate milk. "I didn't order the milk," protested Bob. "There wasn't any contract here. I considered that milk as a gift." Was there a valid contract? Yes or No Rule of law: