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 ) So now the real trial is underway : What does the surviving Boston Marathon bomber , Dzhokhar Tsarnaev , deserve and why ? 2: And yet , if we really commit ourselves to having the punishment fit the crime , if we rightly reserve the death penalty for the most heinous crimes and criminals , surely the Boston Marathon bomber stands among the worst of the worst . 3: Robert Blecker : In sentencing phase , the prosecution lays out wealth of evidence that Dzhokhar Tsarnaev deserves penalty reserved for the worst of the worst .

1: the surviving Boston Marathon bomber , Dzhokhar Tsarnaev 2: the Boston Marathon bomber 3: Dzhokhar Tsarnaev