Congress is related to Speaker. Speaker is related to Leader. Captain is a type of Leader. Captain is related to Top. 
Edge is a type of Advance. Advance is related to Achievement. Achievement is derived from Achieve. Achieve is the opposite of Fail. 
Congress <--RelatedTo--> Speaker <--RelatedTo--> Leader <--IsA-- Captain <--RelatedTo--> Top 
Edge --IsA--> Advance <--RelatedTo--> Achievement --DerivedFrom--> Achieve <--Antonym--> Fail 