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: As crazy as this sounds , to put an entire head on a new body , a human body , Italian physician Dr . Sergio Canavero says we are approaching HEAVEN ( an acronym for head anastomosis venture ; anastomosis is surgically connecting two parts ) . 2: He 's counting on getting the green light he needs for the first human whole head transplant to take place in 2017 . 3: Dr. Sergio Canavero says he is two years away from performing the first total human head transplant .

1: Italian physician Dr . Sergio Canavero 2: He 3: Dr. Sergio Canavero