Poetry is related to Art. Art is related to Aspect. Aspect is a synonym of Air. Air is related to Market. 
Capacity is related to Storage. Storage is related to Rack. 
Poetry <--RelatedTo--> Art <--RelatedTo--> Aspect <--Synonym--> Air <--RelatedTo--> Market 
Capacity <--RelatedTo--> Storage <--RelatedTo--> Rack 