Congressional is derived from Congress. Congress is related to House. House is related to Suburban. Suburban is derived from Suburb. 
Ranch is related to Home. you are likely to find Pie in/at/on Home. Pie is the opposite of Cake. 
Congressional --DerivedFrom--> Congress <--RelatedTo--> House <--RelatedTo--> Suburban --DerivedFrom--> Suburb 
Ranch <--RelatedTo--> Home <--AtLocation-- Pie <--Antonym--> Cake 