Earth is related to Big. Big is related to Battle. you are likely to find Soldier in/at/on Battle. Soldier is related to Person. 
Butter is related to Milk. Milk is related to Output. 
Earth <--RelatedTo--> Big <--RelatedTo--> Battle <--AtLocation-- Soldier <--RelatedTo--> Person 
Butter <--RelatedTo--> Milk <--RelatedTo--> Output 