question: light:laser:light beam
choices.label: A B C D
choices.text: water:running water:river jujube:red jujube:jujube tree people:good people:heart word:vocabulary:chinese
explanation: "light" includes "laser", and a form of "laser" is "light beam". "water" includes "running water", and one form of "running water" is "river". "jujube" contains "red jujube", and "red jujube" grow on "jujube trees". "people" includes "good people", but a form of "good people" is not "heart". "word" is a part of "vocabulary", and "vocabulary" contains "word", but "chinese" is not a form of expression of "vocabulary".
relation: light laser R2.2
relation: laser light beam R3.10
relation: water running water R2.2
relation: running water river R3.10
relation: jujube red jujube R2.2
relation: people good people R2.2
relation: word vocabulary R2.3