Form is a synonym of Constitute. Constitute is a synonym of Represent. Profile is a type of Represent. Profile is a type of Biography. 
Discourse is a type of Talk. Talk is the opposite of Keep. Keep is related to Contain. 
Form <--Synonym--> Constitute <--Synonym--> Represent <--IsA-- Profile --IsA--> Biography 
Discourse --IsA--> Talk <--Antonym--> Keep <--RelatedTo--> Contain 