Bicycle is a type of Toy. Toy is related to Boy. Boy is related to Back. Back is related to Part. 
Core is etymologically related to Heart. Heart can Beat. 
Bicycle --IsA--> Toy <--RelatedTo--> Boy <--RelatedTo--> Back <--RelatedTo--> Part 
Core --EtymologicallyRelatedTo--> Heart --CapableOf--> Beat 