Disappointment is related to Fail. Fail is related to Result. Result is related to Energy. Energy is related to Strong. 
Exchange is related to Interaction. you would Communicate because Interaction. Address is a type of Communicate. Address entails/necessarily involves Speak. 
Disappointment <--RelatedTo--> Fail <--RelatedTo--> Result <--RelatedTo--> Energy <--RelatedTo--> Strong 
Exchange <--RelatedTo--> Interaction <--MotivatedByGoal-- Communicate <--IsA-- Address --Entails--> Speak 