Pain is a type of Upset. Learning can cause/lead to Pain. Learning is related to Job. Job is related to Role. 
Chamber is a type of Assembly. Assembly is related to Crowd. Crowd is a different concept from Organized. 
Upset <--IsA-- Pain <--Causes-- Learning <--RelatedTo--> Job <--RelatedTo--> Role 
Chamber --IsA--> Assembly <--RelatedTo--> Crowd <--DistinctFrom--> Organized 