Wash is related to Gentle. Gentle is a type of Pet. Pet is related to Domestic. Domestic is related to Home. 
Distance is related to Separation. Separation is related to Degree. Degree is a type of Property. 
Wash <--RelatedTo--> Gentle --IsA--> Pet <--RelatedTo--> Domestic <--RelatedTo--> Home 
Distance <--RelatedTo--> Separation <--RelatedTo--> Degree --IsA--> Property 