answers: migrants & refugees serbia-coratia
questions: who were the police speaking to? the police were speaking on which border?
paragraph: "Come on guys, don't be scared," say Croatian police waiting for migrants & refugees at Serbia-Croatia border Ivan Watson (@IvanCNN) September 16, 2015
questions_answers: question: who were the police speaking to?, answer: migrants & refugees | question: the police were speaking on which border?, answer: serbia-coratia