Opt is related to Decide. Seal is a type of Decide. Seal is a type of Fur. Hair can be used for Fur. 
Apple is related to Shape. Shape is related to Outline. Outline is related to Shadow. Shadow is related to Tree. 
Opt <--RelatedTo--> Decide <--IsA-- Seal --IsA--> Fur <--UsedFor-- Hair 
Apple <--RelatedTo--> Shape <--RelatedTo--> Outline <--RelatedTo--> Shadow <--RelatedTo--> Tree 