Person does not want (to) Examination. Survey is a type of Examination. 
Assistance is related to Welfare. Welfare is related to Health. Health is related to Medical. Medical is related to Doctor. 
Person --NotDesires--> Examination <--IsA-- Survey 
Assistance <--RelatedTo--> Welfare <--RelatedTo--> Health <--RelatedTo--> Medical <--RelatedTo--> Doctor 