you are likely to find Chip in/at/on Casino. Chip is related to Corn. you are likely to find Corn in/at/on Supermarket. 
Pop is related to Rock. Rock is related to Concert. 
Casino <--AtLocation-- Chip <--RelatedTo--> Corn --AtLocation--> Supermarket 
Pop <--RelatedTo--> Rock <--RelatedTo--> Concert 