Chamber is related to Oven. Oven is the opposite of Stove. you are likely to find Stove in/at/on House. you are likely to find Dog in/at/on House. 
Builder is a type of Material. Builder is related to Build. Build is related to Stack. Stack is related to Power. 
Chamber <--RelatedTo--> Oven <--Antonym--> Stove --AtLocation--> House <--AtLocation-- Dog 
Material <--IsA-- Builder <--RelatedTo--> Build <--RelatedTo--> Stack <--RelatedTo--> Power 