question: virus:infectious disease:epidemic
choices.label: A B C D
choices.text: drug driving:car accidents:harmful market:transaction:spontaneity noise:hearing impairment:universal sweet food:obesity:sudden
explanation: "infectious diseases" are caused by "viruses", and "infectious diseases" are "epidemic". "car accidents" may be caused by "drug driving", and "car accidents" are "harmful". a "market" is a place for "trading". "hearing impairment" may be caused by "noise". "hearing impairment" is not "universal". "obesity" may be caused by "sweet food", and "obesity" is not "sudden".
relation: virus epidemic R5.1
relation: drug driving harmful R5.1