question: summer:air conditioner
choices.label: A B C D
choices.text: master:cycling governor:meeting end of the year:bonus soldier:fight
explanation: "air conditioner" is used in "summer", and "summer" indicates time, and "air conditioner" is a feature of this period. "master" will "ride", "master" does not indicate time. "the governor" will have "meetings", "the governor" does not indicate the time. the "bonus" is issued at the "end of the year", and the "end of the year" indicates the time, and the "bonus" is a feature of this period. "soldier" will "fight", "soldier" does not mean time.
relation: summer air conditioner R3.10
relation: master cycling R4.1
relation: governor meeting R4.1
relation: end of the year bonus R3.10
relation: soldier fight R4.1