Learn is a synonym of Hear. Hear is a different concept from Smell. one thing you do when you Smell is Shower. 
Dissolve is a type of Upset. Upset is a synonym of Anger. Anger is a type of Frustration. Frustration is a type of Disappointment. 
Learn <--Synonym--> Hear <--DistinctFrom--> Smell --HasSubevent--> Shower 
Dissolve --IsA--> Upset <--Synonym--> Anger --IsA--> Frustration --IsA--> Disappointment 