Study requires Assignment. Study is a synonym of Learn. Learn is a synonym of Reinforce. 
you are likely to find Horse in/at/on Parade. Parade is a type of Display. Display is part of Computer. Hardware is part of Computer. 
Assignment <--HasPrerequisite-- Study <--Synonym--> Learn <--Synonym--> Reinforce 
Horse --AtLocation--> Parade --IsA--> Display --PartOf--> Computer <--PartOf-- Hardware 