I'm Wang Ping. I'm in Beijing. I like healthy food. I have milk   and fruit for breakfast; rice  , chicken and vegetables for lunch; vegetables, fruit and salad for dinner. Here is what my friends like eating. Let's have a look! Zhang Jian(inBeijing)Like: Li Ming(inShanghai)Like: Zheng Hui(inBeijing)Like: ,. The passage mainly talks about     _  .
how old Wang Ping's friends are what sports Wang Ping likes playing where Wang Ping's friends are what food Wang Ping and his friends like