Tool is related to Weight. Weight is related to Change. Change is the opposite of Paper. Tissue is a type of Paper. 
Public is related to Servant. Servant is related to Like. Like is related to Allow. Allow is related to May. 
Tool <--RelatedTo--> Weight <--RelatedTo--> Change <--Antonym--> Paper <--IsA-- Tissue 
Public <--RelatedTo--> Servant <--RelatedTo--> Like <--RelatedTo--> Allow <--RelatedTo--> May 