context: Soya is one of the world's most cultivated crops after rice and wheat [1]. World production of soya in 2008 was approximately 220 million tonnes [2]. The United States is the largest producer of soy with 33%, followed by Brazil (27%) and Argentina (21%). 83% of the world's soya crop is used for animal feed and soybean oil production [1].
question: Which country is the largest producer of soybean?
answers.text: The United States