Squad is related to Unit. Unit is related to Hour. Dawn is a type of Hour. 
Bath is related to Room. you are likely to find Dust in/at/on Room. you are likely to find Dust in/at/on Moon. Moon is related to Man. 
Squad <--RelatedTo--> Unit <--RelatedTo--> Hour <--IsA-- Dawn 
Bath <--RelatedTo--> Room <--AtLocation-- Dust --AtLocation--> Moon <--RelatedTo--> Man 