Fill in the blank:"Pointy ears" ___ of the predicate cat. "Animal, pointy ears, has a tail, chases rats" ___ of the predicate cat.16/30Fill in the blank: "Pointy ears" ___ of the predicate cat. "Animal, pointy ears, has a tail, chases rats" ___ of the predicate cat.A sufficient set of conditions / a necessary conditionA condition / a sufficient set of conditionsA necessary condition / a sufficient set of conditionsGiải thíchChọn đáp án C