Sentence:  `` We 've got Father and Mother and each other , '' said Beth on the first page of Louisa Alcott 's Little Women ; and , `` I do think that <WSD>families</WSD> are the most beautiful things in all the world '' , burst out Jo some five hundred pages later in that popular story of the March family , which had first appeared when Henrietta was eight ; and the Szold family , as it developed , bore a striking resemblance to the Marches . 
Meaning of the word marked with <WSD> tags:  primary social group; parents and children