Sentence:  The dialogue is sharp , witty and candid - typical `` do n't eat the daisies '' <WSD>material</WSD> - which has stamped the author throughout her books and plays , and it was obvious that the Theatre-by-the-Sea audience liked it . 
Meaning of the word marked with <WSD> tags:  information (data or ideas or observations) that can be used or reworked into a finished form