Array is related to Mix. Compound is a type of Mix. Compound is a synonym of Pound. Pound is related to American. 
Bird is related to Being. Alien is a type of Being. Alien is related to Home. 
Array <--RelatedTo--> Mix <--IsA-- Compound <--Synonym--> Pound <--RelatedTo--> American 
Bird <--RelatedTo--> Being <--IsA-- Alien <--RelatedTo--> Home 