Issue is a type of Communicate. one thing you do when you Communicate is Listen. Listen is related to Attend. Attend is derived from Tend. 
Tower is related to Bell. Bell is related to Single. Single is related to Child. Child is related to Youth. 
Issue --IsA--> Communicate --HasSubevent--> Listen <--RelatedTo--> Attend --DerivedFrom--> Tend 
Tower <--RelatedTo--> Bell <--RelatedTo--> Single <--RelatedTo--> Child <--RelatedTo--> Youth 