<prompt> Translate the following text to EnglishHata hivyo, hakuna mtu anayejulikana kuhusu chanzo cha ripoti hiyo ya siri ambayo ilisababisha Bergman kuvutiwa na tumbaku, au ni nani katika FDA aliyependa kumweleza kuhusu Wigand.  <response>: The movie isnt clear on where the secret report that kicked off Bergmans interest in tobacco came from, or who in the FDA thought it was a good idea to turn him onto Wigand. 