Ruin is related to Mess. you are likely to find Mess in/at/on Closet. you are likely to find Skirt in/at/on Closet. 
Transaction is related to Buy. Buyer is derived from Buy. Buyer is the opposite of Owner. 
Ruin <--RelatedTo--> Mess --AtLocation--> Closet <--AtLocation-- Skirt 
Transaction <--RelatedTo--> Buy <--DerivedFrom-- Buyer <--Antonym--> Owner 