Calm is the opposite of Panic. Panic is a synonym of Terror. Terror is related to Mask. Mask entails/necessarily involves Cook. 
Person is related to Stranger. Guy is a type of Stranger. Guy is a synonym of Bull. 
Calm <--Antonym--> Panic <--Synonym--> Terror <--RelatedTo--> Mask --Entails--> Cook 
Person <--RelatedTo--> Stranger <--IsA-- Guy <--Synonym--> Bull 