Blessing is a type of Support. Support is the opposite of Opposition. Opposition is the opposite of Ally. Ally is related to Street. 
Catch is a type of Adult. Catch is a synonym of Burden. 
Blessing --IsA--> Support <--Antonym--> Opposition <--Antonym--> Ally <--RelatedTo--> Street 
Adult <--IsA-- Catch <--Synonym--> Burden 