Band is related to Wedding. you are likely to find Photographer in/at/on Wedding. 
Incident is part of Episode. Episode is related to Issue. Issue is a type of Distribute. Distribute is related to Deliver. 
Band <--RelatedTo--> Wedding <--AtLocation-- Photographer 
Incident --PartOf--> Episode <--RelatedTo--> Issue --IsA--> Distribute <--RelatedTo--> Deliver 