Estimate is a type of Statement. you are likely to find Statement in/at/on Newspaper. Newspaper is a type of Product. 
Activity is related to War. you are likely to find Bomb in/at/on War. Bomb can Kill. 
Estimate --IsA--> Statement --AtLocation--> Newspaper --IsA--> Product 
Activity <--RelatedTo--> War <--AtLocation-- Bomb --CapableOf--> Kill 