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: ( CNN ) Australian Foreign Minister Julie Bishop says the government is seeking to confirm reports that an Australian teenager has carried out a suicide attack on behalf of ISIS in Iraq . 2: A former classmate of Bilardi 's from Melbourne 's Craigieburn Secondary College described the teen on Facebook as a  shy kid who did n't like to be disturbed  . 3: Australia is seeking to confirm reports a Melbourne teen killed himself in an ISIS suicide attack .
Output:
1: an Australian teenager 2: the teen 3: a Melbourne teen