Hard is related to Energy. Juice is a type of Energy. Juice is related to Oil. Oil is related to Density. 
Majority is a synonym of Bulk. Bulk is a synonym of Mass. Mass is related to Land. 
Hard <--RelatedTo--> Energy <--IsA-- Juice <--RelatedTo--> Oil <--RelatedTo--> Density 
Majority <--Synonym--> Bulk <--Synonym--> Mass <--RelatedTo--> Land 