Case is related to Housing. Housing is related to Trailer. 
Form is related to Organization. Organization is a different concept from Disorder. Person does not want (to) Disorder. Person wants (to) Escape. 
Case <--RelatedTo--> Housing <--RelatedTo--> Trailer 
Form <--RelatedTo--> Organization <--DistinctFrom--> Disorder <--NotDesires-- Person --Desires--> Escape 