Art can be used for Inspiration. Art is related to Museum. you are likely to find Shark in/at/on Museum. Shark is related to Fish. 
Mistake is related to Regret. the first thing you do when you Kill is Regret. 
Inspiration <--UsedFor-- Art <--RelatedTo--> Museum <--AtLocation-- Shark <--RelatedTo--> Fish 
Mistake <--RelatedTo--> Regret <--HasFirstSubevent-- Kill 