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: He was killed in a chase and gunbattle with police that began with reports of an  officer down  at MIT . 2:  I'm serious ,  Meng testified that the man told him moments before admitting to being the Boston Marathon bomber . 3: Dun Meng says one of carjackers admitted to being a bomber and to killing an MIT officer .

1: He 2: the man 3: one of carjackers