you are likely to find Creature in/at/on Ocean. Ocean is related to Water. Water is related to Shark. Shark is related to Fierce. 
Share is part of Stock. Stock is related to Art. Poem is a type of Art. 
Creature --AtLocation--> Ocean <--RelatedTo--> Water <--RelatedTo--> Shark <--RelatedTo--> Fierce 
Share --PartOf--> Stock <--RelatedTo--> Art <--IsA-- Poem 