Pull is related to Break. Break is related to Take. Take is a synonym of Grab. Grab is related to Hold. 
Change is related to Vary. Vary is a type of Differ. 
Pull <--RelatedTo--> Break <--RelatedTo--> Take <--Synonym--> Grab <--RelatedTo--> Hold 
Change <--RelatedTo--> Vary --IsA--> Differ 