question: fireworks:gunpowder
choices.label: A B C D
choices.text: lawn:grass railway:high-speed ​​rail tv:set-top box tea bag:tea leaves
explanation: "gunpowder" is a component of "fireworks" "lawn" is a kind of "grass", and "lawn" is not composed of "grass" "railway" is not composed of "high-speed rail", "railway" includes "high-speed rail" "tv" is usually used in conjunction with "set-top box", which is not part of "tv" "tea leaves" is a component of a "tea bag"
relation: fireworks gunpowder R2.3
relation: lawn grass R2.2
relation: railway high-speed ​​rail R2.2
relation: tv set-top box R3.10
relation: tea bag tea leaves R2.3