Vast is related to Empire. Empire is related to Strike. Strike is a synonym of Scratch. 
Decent is a synonym of Good. Good is related to Nutrient. Protein is a type of Nutrient. Protein is related to Meat. 
Vast <--RelatedTo--> Empire <--RelatedTo--> Strike <--Synonym--> Scratch 
Decent <--Synonym--> Good <--RelatedTo--> Nutrient <--IsA-- Protein <--RelatedTo--> Meat 