21.   Novelists tend to be clumsy with the question of where their material comes from.

22.   Officials here believe that the material came from the former Soviet Union, although Russia has denied that any of its material is missing.

23.   Now comes this material and adds two words to the effect that one should not speak too much to a woman while she is menstruating.

24.   Other material came free or discounted from manufacturers wanting to advertise their products in such a showplace.

25.   Russian officials, however, deny the material is coming from Russia.

26.   Russian officials have denied all along that the radioactive material even came from their country.

27.   Some people think Burns is writing to appeal directly to his own generation, and that his material comes from his own relationships.

28.   That material could come from competitors seeking to discredit the application, or academics and other researchers hoping to prevent bad patents.

29.   The auction house, however, says the material came from a seller whose ownership was fully legitimate.

30.   The drapery material came from La Lame Inc. in Manhattan, which sells clerical cloth.