Sake is a type of Alcohol. Alcohol is related to Influence. Influence is related to Law. Law is related to Attorney. 
Concentration is a type of Attention. Concentration is a synonym of Density. Density is related to Population. 
Sake --IsA--> Alcohol <--RelatedTo--> Influence <--RelatedTo--> Law <--RelatedTo--> Attorney 
Attention <--IsA-- Concentration <--Synonym--> Density <--RelatedTo--> Population 