Pay is related to Due. Due is related to Homework. you are likely to find Homework in/at/on Desk. you are likely to find Notebook in/at/on Desk. 
Demand is related to Man. Man is the opposite of Female. Female is related to Chicken. Chicken is the opposite of Steak. 
Pay <--RelatedTo--> Due <--RelatedTo--> Homework --AtLocation--> Desk <--AtLocation-- Notebook 
Demand <--RelatedTo--> Man <--Antonym--> Female <--RelatedTo--> Chicken <--Antonym--> Steak 