Let them produce a hadith like this, if they are truthful.
Translation endnotes
[52:34] Abu Dawud, a hadith book set up as a partner with the Quran by Sunnis, reports a hadith alleging Muhammed saying "I am given the Quran and similar to it." This hadith is obviously a polytheist response to the Quran's challenge. See 6:112-116; 12:111; 33:38; 35:43; 45:6.