Soak is a type of Wash. Wash is a type of Remove. Tip is a type of Remove. 
Post is related to Newspaper. you are likely to find Story in/at/on Newspaper. Story is related to Roman. 
Soak --IsA--> Wash --IsA--> Remove <--IsA-- Tip 
Post <--RelatedTo--> Newspaper <--AtLocation-- Story <--RelatedTo--> Roman 