Mathematics is related to Number. Score is a type of Number. Kick is a type of Score. Kick is a type of Blow. 
Live is related to Ocean. Ocean is related to Bay. Bay have Water. Water is related to Tap. 
Mathematics <--RelatedTo--> Number <--IsA-- Score <--IsA-- Kick --IsA--> Blow 
Live <--RelatedTo--> Ocean <--RelatedTo--> Bay --HasA--> Water <--RelatedTo--> Tap 