Skilled is related to Quality. Quality is related to Smell. Smell is related to Type. Type is related to Lady. 
Swim is related to Action. Action is related to Prevent. Defend is a type of Prevent. Defend is a synonym of Maintain. 
Skilled <--RelatedTo--> Quality <--RelatedTo--> Smell <--RelatedTo--> Type <--RelatedTo--> Lady 
Swim <--RelatedTo--> Action <--RelatedTo--> Prevent <--IsA-- Defend <--Synonym--> Maintain 