Sir is related to Ceremony. Circumstance is a type of Ceremony. Circumstance is related to Condition. Condition is related to Bottle. 
Southwest is a type of Direction. Direction is a synonym of Management. 
Sir <--RelatedTo--> Ceremony <--IsA-- Circumstance <--RelatedTo--> Condition <--RelatedTo--> Bottle 
Southwest --IsA--> Direction <--Synonym--> Management 