Fence requires Steal. you would Fence because Privacy. Privacy is a synonym of Retirement. 
Friend is a synonym of Champion. Champion is a type of Defender. Defender is a different concept from Prosecutor. Prosecutor is related to Legal. 
Steal <--HasPrerequisite-- Fence --MotivatedByGoal--> Privacy <--Synonym--> Retirement 
Friend <--Synonym--> Champion --IsA--> Defender <--DistinctFrom--> Prosecutor <--RelatedTo--> Legal 