Department is a type of State. State is related to Ambition. Working requires Ambition. Working is related to Busy. 
Kid is related to Camp. Camp is related to Place. Place is related to Gallery. 
Department --IsA--> State <--RelatedTo--> Ambition <--HasPrerequisite-- Working <--RelatedTo--> Busy 
Kid <--RelatedTo--> Camp <--RelatedTo--> Place <--RelatedTo--> Gallery 