Theater is a type of Author. Author is a type of Write. Write is related to Sign. Sign is a type of Evidence. 
Interview is related to Employee. Employee is the opposite of Boss. Boss is related to Principal. 
Theater --IsA--> Author --IsA--> Write <--RelatedTo--> Sign --IsA--> Evidence 
Interview <--RelatedTo--> Employee <--Antonym--> Boss <--RelatedTo--> Principal 