Stroke is related to Health. Health is related to Medicine. Specific is a type of Medicine. Specific is related to Door. 
Intelligent is the opposite of Dense. Dense is a synonym of Crowded. Crowded is related to Party. 
Stroke <--RelatedTo--> Health <--RelatedTo--> Medicine <--IsA-- Specific <--RelatedTo--> Door 
Intelligent <--Antonym--> Dense <--Synonym--> Crowded <--RelatedTo--> Party 