question: ink:print:book
choices.label: A B C D
choices.text: gasoline:auto:drive concrete:construction:house drug:doctor:disease athlete:competition:results
explanation: ink" is needed in the printing process, and "ink" is needed to print "books". a "car" needs "gasoline" in order to be "driven". concrete is used in the construction process, and "concrete" is needed to build a "house". a "doctor" treats "disease", and "disease" corresponds to "drug". "athletes" participate in "competitions" and will eventually get "results".
relation: doctor disease R4.4