choices.label: A B C D
choices.text: material:wood:furniture sports:swimming:swimsuit network:website:netizen phone:timer:alarm clock
explanation: "nuclear energy" is a kind of "energy", and "nuclear energy" is used to make "nuclear weapons". "wood" is a kind of "material", and "wood" is used to make "furniture". "swimming" is a kind of "sports", and a "swimsuit" is a tool required for "swimming". a "website" is not a type of "network". "phone" is not a type of "timer".
relation: nuclear energy energy R2.2
relation: nuclear energy nuclear weapon R3.10
relation: wood material R2.2
relation: wood furniture R3.10
relation: swimming sports R2.2
relation: swimming swimsuit R3.8
relation: website network R3.10
relation: timer alarm clock R2.6