Gate is related to Yard. Backyard is a type of Yard. you are likely to find Pit in/at/on Backyard. Pit is related to Ground. 
Chip is part of Computer. you are likely to find Program in/at/on Computer. 
Gate <--RelatedTo--> Yard <--IsA-- Backyard <--AtLocation-- Pit <--RelatedTo--> Ground 
Chip --PartOf--> Computer <--AtLocation-- Program 