Vision is related to Sight. Sight is a synonym of Appear. Appear is the opposite of Disappear. Die is a type of Disappear. 
Opening is related to Pull. Pull is the opposite of Shove. Shove is a type of Push. Nose is a type of Push. 
Vision <--RelatedTo--> Sight <--Synonym--> Appear <--Antonym--> Disappear <--IsA-- Die 
Opening <--RelatedTo--> Pull <--Antonym--> Shove --IsA--> Push <--IsA-- Nose 