Asleep is related to Bed. Bed is related to Thing. 
Bathroom is derived from Room. Room is related to Office. Office is related to Environment. Environment is related to Conservation. 
Asleep <--RelatedTo--> Bed <--RelatedTo--> Thing 
Bathroom --DerivedFrom--> Room <--RelatedTo--> Office <--RelatedTo--> Environment <--RelatedTo--> Conservation 