Stem is a type of Remove. Stem is the opposite of Branch. Branch is related to Growth. 
Blame is related to Goat. Goat is related to Mountain. Mountain is related to Place. Place is related to Urban. 
Remove <--IsA-- Stem <--Antonym--> Branch <--RelatedTo--> Growth 
Blame <--RelatedTo--> Goat <--RelatedTo--> Mountain <--RelatedTo--> Place <--RelatedTo--> Urban 