question: buying tickets:boarding:arriving
choices.label: A B C D
choices.text: production:circulation:consumption getting acquainted:falling in love:getting married research:survey:summary applying:reviewing:winning
explanation: first "buying ticket", then "board" the plane, and then "arrive". all three actions are performed by the same subject. first "produce", then "circulate" and then "consume". the main body of "production" is the producer, the main body of "circulation" is usually the dealer, and the main body of "consumption" is the consumer. the main bodies of the three processes are different. first , they "get acquainted", then "fall in love", and then "get married". all three actions are performed by the same subject. "research" refers to investigation and study. "research" includes two links, "survey" and "summary", which are performed by the same subject according to time order. first "apply", then "review", and then "win". the three are not initiated by the same subject. the subjects of "applying" and "winning" are different from those of "reviewing".
relation: buying tickets boarding arriving R5.2
relation: production circulation consumption R5.2
relation: getting acquainted falling in love getting married R5.2
relation: survey summary research R2.3
relation: applying reviewing winning R5.2