Sail is related to Float. Float is a type of Display. Display is related to Shop. Shop is related to Purpose. 
Advance is a type of Set. Advance is a type of Travel. Engineer can Travel. 
Sail <--RelatedTo--> Float --IsA--> Display <--RelatedTo--> Shop <--RelatedTo--> Purpose 
Set <--IsA-- Advance --IsA--> Travel <--CapableOf-- Engineer 