Walking can be used for Health. Walking is related to Limb. Thigh is a type of Limb. Thigh is the opposite of Breast. 
Amount is related to Full. Full is related to Bath. Bath can be used for Fill. 
Health <--UsedFor-- Walking <--RelatedTo--> Limb <--IsA-- Thigh <--Antonym--> Breast 
Amount <--RelatedTo--> Full <--RelatedTo--> Bath --UsedFor--> Fill 