Chance is a type of Risk. Chance is related to Opportunity. Opportunity is related to Regret. 
Bolt is related to Single. Single is related to Lip. Lip is related to Entrance. you are likely to find Entrance in/at/on House. 
Risk <--IsA-- Chance <--RelatedTo--> Opportunity <--RelatedTo--> Regret 
Bolt <--RelatedTo--> Single <--RelatedTo--> Lip <--RelatedTo--> Entrance --AtLocation--> House 