Soak is a type of Heat. Heat is related to Extreme. 
Family is related to Structure. Organization is a type of Structure. Organization is related to Charity. Charity is a type of Institution. 
Soak --IsA--> Heat <--RelatedTo--> Extreme 
Family <--RelatedTo--> Structure <--IsA-- Organization <--RelatedTo--> Charity --IsA--> Institution 