question: land:cultivated
choices.label: A B C D
choices.text: bike-sharing:rent electronic newspapers:convenient matrix qr code:payment the art of paper cutting:spreading
explanation: "land" will be "cultivated". "bike-sharing" is a necessary condition for "rental". the "electronic newspaper" is "convenient". "payment" needs to go through the "matrix qr code". "the art of paper cutting" will be "spread".
relation: cultivated land R4.2
relation: bike-sharing rent R5.4
relation: electronic newspapers convenient R3.1
relation: matrix qr code payment R3.10
relation: spreading the art of paper cutting R4.2