Industry is related to Company. Triumph is a type of Company. 
Meeting is related to Club. Club is related to Cave. Cave can be used for Hide. one thing you do when you Surprising is Hide. 
Industry <--RelatedTo--> Company <--IsA-- Triumph 
Meeting <--RelatedTo--> Club <--RelatedTo--> Cave --UsedFor--> Hide <--HasSubevent-- Surprising 