question: ships:transport
choices.label: A B C D
choices.text: treadmill:longevity cake:birthday navigator:route doctor:cure
explanation: "ship" can be used to "transport" there is no logical relationship between "treadmill" and "longevity" "cake" can be eaten on "birthday" "navigator" can be used to plan a "route" "doctor" can "cure"
relation: ships transport R3.3
relation: cake birthday R3.10
relation: navigator route R4.4
relation: doctor cure R3.3