Danger is related to Hard. Hard is related to Rub. Rub is related to Part. 
Come is related to Return. Return is a synonym of Take. Take is a synonym of Aim. 
Danger <--RelatedTo--> Hard <--RelatedTo--> Rub <--RelatedTo--> Part 
Come <--RelatedTo--> Return <--Synonym--> Take <--Synonym--> Aim 