Others is related to Person. Person wants (to) Get. 
Grass is related to Course. Course is a synonym of Aim. Business is a type of Aim. you are likely to find Merchant in/at/on Business. 
Others <--RelatedTo--> Person --Desires--> Get 
Grass <--RelatedTo--> Course <--Synonym--> Aim <--IsA-- Business <--AtLocation-- Merchant 