<prompt> Translate the following text to EnglishBarua ya Mkurugenzi wa FTC imerekodiwa katika nyongeza II, na barua ya mwandishi wa msingi wa utafiti wa FTC imerekodiwa katika nyongeza III.  <response>: The FFC Directors letter is reproduced in enclosure II, and the letter of the primary author of the FFC study is reproduced in enclosure III. 