Wilderness is related to Nature. you are likely to find Cat in/at/on Nature. you are likely to find Cat in/at/on Basement. you are likely to find Workshop in/at/on Basement. 
Filter is a type of Separate. Separate is a synonym of Divorce. 
Wilderness <--RelatedTo--> Nature <--AtLocation-- Cat --AtLocation--> Basement <--AtLocation-- Workshop 
Filter --IsA--> Separate <--Synonym--> Divorce 