Mark is related to Note. Note is related to Bank. Bank is a type of Cover. Bloody is a type of Cover. 
you are likely to find Human in/at/on Airport. you are likely to find Passenger in/at/on Airport. Passenger is related to Guest. 
Mark <--RelatedTo--> Note <--RelatedTo--> Bank --IsA--> Cover <--IsA-- Bloody 
Human --AtLocation--> Airport <--AtLocation-- Passenger <--RelatedTo--> Guest 