Horror is related to Scared. Scared is related to Scream. Scream is the opposite of Silent. 
Sofa can be used for Seat. Sofa is related to Rest. Rest is a synonym of Be. Continue is a type of Be. 
Horror <--RelatedTo--> Scared <--RelatedTo--> Scream <--Antonym--> Silent 
Seat <--UsedFor-- Sofa <--RelatedTo--> Rest <--Synonym--> Be <--IsA-- Continue 