question: lawyer:professor
choices.label: A B C D
choices.text: expert:The British rebar:house singer:band people:society
explanation: a "lawyer" can be a "professor", and a "professor" can also be a "lawyer". "experts" can be "The British", and "The British" can also be "experts". one of the raw materials for building a "house" is "rebar". the "singer" is part of the "band". "people" are part of "society".
relation: lawyer professor R2.7
relation: expert The British R2.7
relation: rebar house R3.10
relation: singer band R2.3
relation: people society R2.3