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 ) The FBI is asking detectives across the country to dust off their cold case murder files and see whether millionaire heir Robert Durst could be connected to any other unsolved crimes . 2: Now the FBI is putting out a call to local authorities to examine cold cases in locations near where Durst lived over the past five decades , a U.S . law enforcement official said . 3: FBI asks local authorities to examine cold cases in areas where Robert Durst has lived .

1: Robert Durst 2: Durst 3: Robert Durst