Trip is a synonym of Trigger. Trigger is a type of Device. Stove is a type of Device. 
Intelligent is the opposite of Dense. Dense is a synonym of Tough. Tough is related to Feel. Burn is a type of Feel. 
Trip <--Synonym--> Trigger --IsA--> Device <--IsA-- Stove 
Intelligent <--Antonym--> Dense <--Synonym--> Tough <--RelatedTo--> Feel <--IsA-- Burn 