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 ) Archaeologists searching for a lost city in the jungles of Honduras have discovered the urban remains of what they believe is a vanished ancient civilization , National Geographic reports . 2: Seeking to confirm the discovery , a team of U.S . and Honduran archaeologists , a LIDAR engineer , an ethnobotanist , anthropologists and documentary filmmakers entered the remote region . 3: National Geographic has announced the discovery of a lost city in the remote Honduran rainforest .

1: a vanished ancient civilization 2: the remote region 3: a lost city in the remote Honduran rainforest