question: congressman:manager:woman
choices.label: A B C D
choices.text: combination reaction:oxidation reaction:chemical reaction reed:chlorophytum:iris prosecutor:attorney general:inspector director:professor:doctor
explanation: "congressman" can be "manager" or "woman", "manager" can be "congressman" or "woman", "woman" can be "congressman" or "manager", three identities can be reflected in one person, both "combination reaction" and "oxidation reaction" belong to "chemical reaction". a "combination reaction" cannot be an "oxidation reaction". "reed", "spider orchid" and "iris" are all plants, and "reed" cannot be "spider orchid" or "iris". "attorney general" and "inspector" are both types of "prosecutor". "attorney general" cannot be an "inspector". "director" can be "professor" or "doctor", "professor" can be "director" or "doctor", "doctor" can be "director" or "professor", three identity can be embodied in a person.
relation: congressman manager woman R2.7
relation: director professor doctor R2.7