County is a type of Region. County is related to Farm. you are likely to find Human in/at/on Farm. Arab is a type of Human. 
Delay is a type of Pause. Pause is related to Wait. 
Region <--IsA-- County <--RelatedTo--> Farm <--AtLocation-- Human <--IsA-- Arab 
Delay --IsA--> Pause <--RelatedTo--> Wait 