American is related to Indian. Indian is related to Corn. you are likely to find Corn in/at/on Garden. Garden is etymologically related to Yard. 
Canvas can be used for Art. Art is related to Photography. 
American <--RelatedTo--> Indian <--RelatedTo--> Corn --AtLocation--> Garden --EtymologicallyRelatedTo--> Yard 
Canvas --UsedFor--> Art <--RelatedTo--> Photography 