Green is related to Bill. Bill is related to Accounting. Accounting is a type of Register. Register is related to Drawer. 
Initial is a synonym of Opening. Opening is related to Dear. Dear is related to Food. 
Green <--RelatedTo--> Bill <--RelatedTo--> Accounting --IsA--> Register <--RelatedTo--> Drawer 
Initial <--Synonym--> Opening <--RelatedTo--> Dear <--RelatedTo--> Food 