Definition: You will be given three sentences. Read them, then identify a noun phrase (person, place, or thing) or event that is shared between all three sentences. As the output, write the span of the text corresponding to that phrase in each sentence. Keep the order of the sentences, that is, your answer should look like: 1: *a phras from sentence 1e* 2: *a phras from sentence 2* 3: *a phrase from sentence 3*
Input: 1: In a space devoid of government , refugee camps and aid agencies are frequently seen as the only authorities , the new front line in the war on terror , a sometimes unwelcome association . 2: Yet despite these risks , thousands of aid workers continue to work in a region where the U.N . High Commissioner for Refugees ( UNHCR ) estimates the number of refugees from conflict at more than 8 million . 3: With a lack of government , more than 8 million refugees rely on aid agencies for food , shelter and medical care .

1: refugee 2: refugees 3: refugees