you would Kiss because Companion. Kiss is related to People. People can Gay. 
Metal is related to Substance. Substance is related to Oil. Oil is related to Transportation. 
Companion <--MotivatedByGoal-- Kiss <--RelatedTo--> People --CapableOf--> Gay 
Metal <--RelatedTo--> Substance <--RelatedTo--> Oil <--RelatedTo--> Transportation 