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: The Black Hawk helicopters were training near Eglin as heavy fog shrouded the sound -- a narrow body of water between mainland northern Florida and a barrier island -- about 8:30 p.m . Tuesday , the military said . 2: They gave all : Profiles of those killed in helicopter crash . 3: All on the Black Hawk helicopter were killed in the crash .

1: The Black Hawk helicopters 2: helicopter 3: the Black Hawk helicopter