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 video of the North Charleston shooting , she said , is vital . 2: But after the shooting , the mayor said the city was ordering an additional 150 body cameras  so every officer on the street  in the city will have one . 3: North Charleston 's mayor says hundreds of body cameras will be on officers .

1: North Charleston 2: the city 3: North Charleston