Diamond is related to Field. Field is related to Degree. Degree is related to Tiny. Tiny is related to Cottage. 
Bolt is a type of Screw. Screw is a type of Tool. 
Diamond <--RelatedTo--> Field <--RelatedTo--> Degree <--RelatedTo--> Tiny <--RelatedTo--> Cottage 
Bolt --IsA--> Screw --IsA--> Tool 