Classroom is related to Desk. Desk is related to Secretary. Secretary is related to Person. Person wants (to) Dialogue. 
Fly can be Small. Small is the opposite of Old. Old is related to Advanced. 
Classroom <--RelatedTo--> Desk <--RelatedTo--> Secretary <--RelatedTo--> Person --Desires--> Dialogue 
Fly --HasProperty--> Small <--Antonym--> Old <--RelatedTo--> Advanced 