you are likely to find Air in/at/on Bridge. you are likely to find Jet in/at/on Air. you are likely to find Jet in/at/on Airport. 
Weekly is related to Day. Day is related to Lunch. Lunch is related to Bread. 
Bridge <--AtLocation-- Air <--AtLocation-- Jet --AtLocation--> Airport 
Weekly <--RelatedTo--> Day <--RelatedTo--> Lunch <--RelatedTo--> Bread 