Accurate is related to Fact. Fact is related to Known. 
Stroke is related to Health. Health is related to Body. Body is related to Cover. Cover is related to Can. 
Accurate <--RelatedTo--> Fact <--RelatedTo--> Known 
Stroke <--RelatedTo--> Health <--RelatedTo--> Body <--RelatedTo--> Cover <--RelatedTo--> Can 