Pull is the opposite of Button. Button is a type of Artifact. Track is a type of Artifact. Track is a synonym of Locate. 
Join is the opposite of Split. Split is related to Banana. Banana is the opposite of Egg. 
Pull <--Antonym--> Button --IsA--> Artifact <--IsA-- Track <--Synonym--> Locate 
Join <--Antonym--> Split <--RelatedTo--> Banana <--Antonym--> Egg 