Working is related to Activity. Activity is related to Boat. Boat is related to Slip. 
you are likely to find Clock in/at/on Shelf. you are likely to find Shelf in/at/on Corner. Corner is related to Square. Square is a type of Conservative. 
Working <--RelatedTo--> Activity <--RelatedTo--> Boat <--RelatedTo--> Slip 
Clock --AtLocation--> Shelf --AtLocation--> Corner <--RelatedTo--> Square --IsA--> Conservative 