question: christmas:decorating christmas trees
choices.label: A B C D
choices.text: mid-autumn festival:eating mooncakes celebrating victory:popping champagne convey the spirit of superiors:issue documents year's end:financial settlement
explanation: "decorating christmas trees" is the custom of the "christmas". "eating mooncakes" is the custom of the "mid-autumn festival". "celebrating victory" is not a festival, and "popping champagne" is not a custom of "celebrating victory". "conveying the spirit of superiors" is not a festival, and "issuing documents" is not a custom of "conveying the spirit of superiors". a "year's end" is not a festival, and "financial settlement" is not a "year's end" custom.
relation: christmas decorating christmas trees R3.10
relation: mid-autumn festival eating mooncakes R3.10