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: Boston police Officer Todd Brown , a bomb squad member who cleared the boat of explosives , was on the witness stand to talk about the writings . 2: On Tuesday , Brown identified Dzhokhar Tsarnaev in court as the man he saw come out of the boat and get taken into custody . 3: A police officer testifies about the writings Dzhokhar Tsarnaev scrawled on a boat .

1: boat 2: boat 3: boat