Living requires Oxygen. Growing is part of Living. Growing is related to Garden. Garden is related to Flower. 
Grandfather is related to Person. Person does not want (to) Negative. Negative is the opposite of Positive. 
Oxygen <--HasPrerequisite-- Living <--PartOf-- Growing <--RelatedTo--> Garden <--RelatedTo--> Flower 
Grandfather <--RelatedTo--> Person --NotDesires--> Negative <--Antonym--> Positive 