you are likely to find Mess in/at/on Table. Table is related to Square. Square is related to Window. 
Defense is part of Trial. Trial is related to Case. Case is related to Hearing. 
Mess --AtLocation--> Table <--RelatedTo--> Square <--RelatedTo--> Window 
Defense --PartOf--> Trial <--RelatedTo--> Case <--RelatedTo--> Hearing 