People have strange ideas about food. For example, the tomato is a kind of very delicious vegetable. It is one of useful plants that can be prepared in many ways. It has rich nutrition and vitamin in it. But in the 18thcentury, Americans never ate tomatoes. They grew them in their gardens because tomato plants are so pretty. But they thought the vegetable was poisonous  . They called tomatoes "poison apples." President Thomas Jefferson, however, knew that tomatoes were good to eat. He was a learned man. He had been to Paris, where he learned to love the taste of tomatoes. He grew many kinds of tomatoes in his garden. The President taught his cook a way for a cream of tomato soup. This beautiful pink soup was served at the President's party. The guests thought the soup tasted really good. They never thought their president would serve his honored guests poison apples. Jefferson never spoke to his honored   guests about the fact. According to the passage, which of the following is NOT true?
All of the guests knew the soup that was served at the President's party was made of tomatoes. All of the guests thought the soup which was prepared by the President's cook was nice. All of the guests thought the taste of the beautiful pink soup was nice. None of the guests knew that their president would serve his honored guests poison apples.