Arena can be used for Meeting. Forum is a type of Meeting. Forum is a synonym of Assembly. Assembly is related to Factory. 
Run is related to Action. Action is related to Add. Qualify is a type of Add. Qualify is a synonym of Characterize. 
Arena --UsedFor--> Meeting <--IsA-- Forum <--Synonym--> Assembly <--RelatedTo--> Factory 
Run <--RelatedTo--> Action <--RelatedTo--> Add <--IsA-- Qualify <--Synonym--> Characterize 