Color is a synonym of Race. Race is a synonym of Run. Run is related to Danger. Danger is related to Problem. 
Machine is related to Step. Step is related to Rise. Rise is related to Early. 
Color <--Synonym--> Race <--Synonym--> Run <--RelatedTo--> Danger <--RelatedTo--> Problem 
Machine <--RelatedTo--> Step <--RelatedTo--> Rise <--RelatedTo--> Early 