Sentence:  `` Roots '' , the new play at the brand-new Mayfair Theater on 46 th St. which has been made over from a night club , <WSD>is</WSD> about the intellectual and spiritual awakening of an English farm girl . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)