Bat is related to Sport. Sport is related to Race. Race is related to Fast. Fast is similar to Fleet. 
Doubt is a different concept from Believe. Believe is related to Philosophy. Philosophy is related to School. School is related to Graduation. 
Bat <--RelatedTo--> Sport <--RelatedTo--> Race <--RelatedTo--> Fast <--SimilarTo--> Fleet 
Doubt <--DistinctFrom--> Believe <--RelatedTo--> Philosophy <--RelatedTo--> School <--RelatedTo--> Graduation 