Necessity is related to Wire. Wire is a synonym of Thread. Thread is a synonym of Topic. Topic is related to Store. 
Internal is related to Engine. Engine can cause/lead to Energy. Energy is a different concept from Tire. Retire is a type of Tire. 
Necessity <--RelatedTo--> Wire <--Synonym--> Thread <--Synonym--> Topic <--RelatedTo--> Store 
Internal <--RelatedTo--> Engine --Causes--> Energy <--DistinctFrom--> Tire <--IsA-- Retire 