Power is related to Engine. Engine is related to Provider. Provider is a synonym of Supplier. 
Government is related to Tax. Tax is related to Added. Person wants (to) Added. Person is related to Hostage. 
Power <--RelatedTo--> Engine <--RelatedTo--> Provider <--Synonym--> Supplier 
Government <--RelatedTo--> Tax <--RelatedTo--> Added <--Desires-- Person <--RelatedTo--> Hostage 