Sentence:  Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the <WSD>Pharisees</WSD> and of the Sadducees. 
Meaning of the word marked with <WSD> tags:  A member of an ancient Jewish political party, a social movement, and a school of thought among Jews that flourished during the Second Temple Era (536 (B.C.E.)–70 (C.E.)). The movement was ultimately the basis for most contemporary forms of Judaism.