OA: A web site could be useful for a quick answer but not a very accurate one. Especially since these people arent certified in food.
OB: A book sounds like a very credible place to look for answers but this book is more about personal experiences in diets and isn't certified in food.
OC: An article sounds like a very credible source but is from a person who studied food related problems, meaning that what they have studied isnt as official as an actual certified worker in food.
OD: The most credible source for Ray to choose would be a book on gluten-free diets by an author who has two degrees in nutrition and works at the University of Rockingham.
The answer to this question is the third statement which is "innate ideas exist because we are all born with them". Although there are some philosophers who disagree with this concept. Innate ideas are ideas that are inborn. We have already this idea even we don't have experience.
