you are likely to find Nurse in/at/on Clinic. Nurse is related to Person. Blond is a type of Person. 
Sentence is related to Marry. Marry is related to Proposal. Proposal is related to Offer. 
Clinic <--AtLocation-- Nurse <--RelatedTo--> Person <--IsA-- Blond 
Sentence <--RelatedTo--> Marry <--RelatedTo--> Proposal <--RelatedTo--> Offer 