Guy is related to Casual. Casual is a synonym of Chance. Chance is related to Odds. Odds is a type of Likelihood. 
Bay is part of Aircraft. Nose is part of Aircraft. 
Guy <--RelatedTo--> Casual <--Synonym--> Chance <--RelatedTo--> Odds --IsA--> Likelihood 
Bay --PartOf--> Aircraft <--PartOf-- Nose 