Transform the word in brackets so that it fits the text lexically and grammatically. Write the answer in capitals.
Dr Michael Werner says that he has eaten nothing for four years. The German ______________ explains that he gets all his energy from sunlight. He says he prefers only _________ water and different fruit juices. Dr Werner has written an ______________ book about his experiences. In it he mentions that when he started the experiment he even put on weight. He says: "I can't really give an ______________ of what’s happening to me; perhaps I just believe in my theory." Dr Werner’s colleagues say that only plants can produce energy from the sun, and they cannot explain how he is able to stay ___________. “This case, ____________ \(PROBABLE\), needs a lot more research before we will be able to explain it.” they say.