Hello how may I help you? I have concern What is your concern? Are you knowledgeable about the world cup? Yes, I can provide information about the World Cup. Can you tell me which country is playing? There are 32 countries playing in the World Cup. Would you like to know who is playing today? Yes Brazil vs Costa Rica, Serbia vs Switzerland, and Nigeria vs Iceland are all playing today. Okay will check them out later. Thanks' Enjoy the games!