Changing is related to Move. Move is related to Have. 
Security is related to Department. Department is related to Head. you are likely to find Hat in/at/on Head. Hat is related to Bill. 
Changing <--RelatedTo--> Move <--RelatedTo--> Have 
Security <--RelatedTo--> Department <--RelatedTo--> Head <--AtLocation-- Hat <--RelatedTo--> Bill 