Best is a type of Album. Best is a synonym of Own. Own is a synonym of Admit. Admit is the opposite of Reject. 
Speak is related to Represent. Represent is a type of Serve. Serve is a type of Provide. 
Album <--IsA-- Best <--Synonym--> Own <--Synonym--> Admit <--Antonym--> Reject 
Speak <--RelatedTo--> Represent --IsA--> Serve --IsA--> Provide 