Action is related to Witness. Witness is related to Speaker. Speaker is related to Person. Person wants (to) Different. 
Fence requires Steal. Fence is a synonym of Defend. Defend is a synonym of Maintain. 
Action <--RelatedTo--> Witness <--RelatedTo--> Speaker <--RelatedTo--> Person --Desires--> Different 
Steal <--HasPrerequisite-- Fence <--Synonym--> Defend <--Synonym--> Maintain 