Disappointment is a type of Failure. Failure is a synonym of Grief. 
Functional is related to Committee. Committee is related to Working. Working is related to Activity. Education is a type of Activity. 
Disappointment --IsA--> Failure <--Synonym--> Grief 
Functional <--RelatedTo--> Committee <--RelatedTo--> Working <--RelatedTo--> Activity <--IsA-- Education 