Sentence:  East Meadow has philosophy , psychology , and religion ; Freeport houses social science , pure science , and language ; history , biography , and education <WSD>are</WSD> centered in Hempstead ; Levittown has applied science , business , and literature ; while Hewlett-Woodmere is the repository of art , music , and foreign languages . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)