System is related to Space. Space is related to Universal. Universal is a synonym of Global. 
Adjustment is related to Tax. Tax is a synonym of Demand. Demand is related to Require. Require is a synonym of Ask. 
System <--RelatedTo--> Space <--RelatedTo--> Universal <--Synonym--> Global 
Adjustment <--RelatedTo--> Tax <--Synonym--> Demand <--RelatedTo--> Require <--Synonym--> Ask 