Constitute is a synonym of Appoint. Appoint is related to Person. Person wants (to) Communicate. Sound can be used for Communicate. 
Consult is a type of Ask. Consult is a type of Research. Research is related to Develop. 
Constitute <--Synonym--> Appoint <--RelatedTo--> Person --Desires--> Communicate <--UsedFor-- Sound 
Ask <--IsA-- Consult --IsA--> Research <--RelatedTo--> Develop 