Resource is related to Oil. Oil is related to Used. Used is related to Gate. 
Neighboring is a form of Neighbor. Neighbor is related to Grass. Grass is related to Leaf. 
Resource <--RelatedTo--> Oil <--RelatedTo--> Used <--RelatedTo--> Gate 
Neighboring --FormOf--> Neighbor <--RelatedTo--> Grass <--RelatedTo--> Leaf 