The objection relationship means that the object classes reflected by the two concepts are different from each other, there is no intersection, and some objects do not belong to these two concepts. According to the above definition, which of the two dotted words involved in the following concepts are opposed? ['Real numbers include rational and non-rational numbers.', 'Butterflies, bees, etc. are all insects.', 'Organizations have both international and non-international organizations.', 'Plants include ornamental and non-ornamental plants, fruit-bearing plants and non-fruit-bearing plants.']