Exhibition is a type of Presentation. Exhibition is related to Fare. Fare is related to Small. Small is related to Rock. 
Cancel is a synonym of Stop. Stop is a synonym of Arrest. Killing can cause/lead to Arrest. 
Presentation <--IsA-- Exhibition <--RelatedTo--> Fare <--RelatedTo--> Small <--RelatedTo--> Rock 
Cancel <--Synonym--> Stop <--Synonym--> Arrest <--Causes-- Killing 