question: hearing aids:glasses
choices.label: A B C D
choices.text: pen:diary ship:cruise house:villa refrigerator:oven
explanation: "hearing aids" and "glasses" are juxtaposed to each other and they are completely complementary. "pen" is the tool for writing a "diary". "cruises" includes "ships". "houses" includes "villas". "refrigerators" and "ovens" are juxtaposed and completely complementary.
relation: pen diary R3.8
relation: cruise ship R2.2
relation: villa house R2.2