question: sales tax:value added tax:reduction and exemption
choices.label: A B C D
choices.text: written exam:interview:selection fuel vehicle:electric vehicle:environmental protection clay house:wooden house:construction ordinary mail:express:reduced price
explanation: "business tax" and "value added tax" are one category. "business tax" and "value added tax" will be "reduced and exempted". the two ways of "selection" are "written test" and "interview". "written test" and "interview" are not the same thing. both "fuel vehicles" and "electric vehicles" belong to the category of vehicles, and "electric vehicles" will not be "environmentally friendly". "clay house" and "wooden house" are one kind. "clay house" and "wooden house" will be "constructed". "ordinary mail" and "express" are both a way of mailing. there's no obvious logical relationship between "ordinary letter" and "price reduction". .
relation: sales tax value added tax R2.4
relation: written exam selection R3.10
relation: interview selection R3.10
relation: fuel vehicle electric vehicle R2.4
relation: clay house wooden house R2.4
relation: ordinary mail express R2.4