Lunch is related to Middle. Middle is the opposite of Small. 
School is related to Graduate. Graduate is related to University. you are likely to find Chair in/at/on University. Chair is related to Wooden. 
Lunch <--RelatedTo--> Middle <--Antonym--> Small 
School <--RelatedTo--> Graduate <--RelatedTo--> University <--AtLocation-- Chair <--RelatedTo--> Wooden 