Prescription is a type of Document. Document is related to Copy. Copy is related to Identical. 
you are likely to find Insect in/at/on Garden. Garden is related to Earth. Earth is related to Humanity. 
Prescription --IsA--> Document <--RelatedTo--> Copy <--RelatedTo--> Identical 
Insect --AtLocation--> Garden <--RelatedTo--> Earth <--RelatedTo--> Humanity 