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*

Ex Input:
1: It resulted in six patients receiving transplants . 2: That changed when a computer programmer named David Jacobs received a kidney transplant . 3: A new computer program helped her donation spur transplants for six kidney patients .

Ex Output:
1: transplants 2: transplant 3: transplants


Ex Input:
1: Los Angeles ( CNN ) Even as major airports across the country clamp down on employee screening , a lone wolf could still potentially slip through security , a top airport official said . 2:  I agree that in any airport throughout the United States and here also , there is never a 100 % guarantee that somebody who wanted to do something illegal or wrong could n't make that happen ,  Gannon said . 3: Still , there 's never a 100 % guarantee of safety , airport official says .

Ex Output:
1: airports 2: airport 3: airport


Ex Input:
1: The 73-year-old University of Oklahoma president was also a former governor , former U.S . senator and Rhodes scholar . 2: Boren is the first person in Oklahoma history to have served all three positions , according to his university biography . 3: Boren is the first person in Oklahoma history to serve as governor , senator and OU president .

Ex Output:

1: The 73-year-old University of Oklahoma president 2: Boren 3: Boren