Integrated is related to United. United is related to Republic. Republic is related to Union. 
you are likely to find Plastic in/at/on Kitchen. you are likely to find Kitchen in/at/on Restaurant. you are likely to find Pizza in/at/on Restaurant. 
Integrated <--RelatedTo--> United <--RelatedTo--> Republic <--RelatedTo--> Union 
Plastic --AtLocation--> Kitchen --AtLocation--> Restaurant <--AtLocation-- Pizza 