Sentence:  Mrs. Molvar , who kept reiterating her request that they `` please take a stand '' , said , `` We must have faith in somebody - on the local level , and it would n't <WSD>be</WSD> possible for everyone to rush to a school to get their children '' . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)