Expensive is related to Valuable. Valuable is related to Coin. Coin is related to Loose. 
you are likely to find Theater in/at/on School. you are likely to find Bathroom in/at/on Theater. 
Expensive <--RelatedTo--> Valuable <--RelatedTo--> Coin <--RelatedTo--> Loose 
School <--AtLocation-- Theater <--AtLocation-- Bathroom 