Dandan, Xiaoying and Shuzhen went to take part in the Olympic Games  There are three kinds of mathematics, physics and chemistry in the Olympic Games, and each person only takes part in one  Jianguo, Xiaojie and Daniul made the following guesses: Jianguo: Dandan participated in the math competition and Xiaoying participated in the physics competition  Xiao Jie: Shuzhen didn't take part in the physics competition  Xiaoying took part in the math competition
Dandan did not take part in the math competition, while Xiaoying took part in the chemistry competition
Dandan, Xiaoying and Shuzhen took part in chemistry, physics and mathematics competitions respectively.