question: glasses:lens
choices.label: A B C D
choices.text: water dispenser:bottled water car:tires wall:switch park:gardener
explanation: "lens" is part of "glasses" "water dispenser" and "bottled water" are used together, and "bottled water" is not an integral part of "water dispenser". "tires" are part of "car" install "switch" on the "wall", "switch" is not part of the "wall". the "park" is the workplace of the "gardener", and the "gardener" is not a component of the "park".
relation: glasses lens R2.3
relation: water dispenser bottled water R3.10
relation: car tires R2.3
relation: wall switch R3.6
relation: park gardener R3.10