TASK 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*
PROBLEM: 1: Lausanne , Switzerland ( CNN ) A roller-coaster series of talks wrapped up Thursday in Lausanne as a group of world powers known as the P5 +1 reached a framework agreement with Iran over the country 's nuclear program . 2: But the talks this week were , nevertheless , historic , particularly for the otherwise frozen U.S.-Iranian relationship . 3: This week 's talks on an Iranian nuclear deal framework are historic .

SOLUTION: 1: A roller-coaster series of talks 2: the talks this week 3: This week 's talks on an Iranian nuclear deal framework

PROBLEM: 1: On a mobile site , which was still active , the network said it was hacked by an Islamist group . 2: But there was no immediate claim of responsibility by ISIS or any other group . 3: The network blames an Islamist group ; there 's no claim of responsibility .

SOLUTION: 1: an Islamist group 2: ISIS or any other group 3: an '' Islamist group

PROBLEM: 1: It 's , in fact , a classic example of necessity being the mother of deliciousness , Anthony Bourdain says of the dish during the premiere episode of Parts Unknown on Sunday , April 26 , at 9 p.m . ET/PT . 2: The host of CNN 's Parts Unknown recently stopped by Anderson Cooper 's kitchen to cook up the spicy and funky stew , and talk about his 24 intoxicating hours in the country 's capital of Seoul . 3: Anthony Bourdain teaches Anderson Cooper a Korean recipe .

SOLUTION:
1: Anthony Bourdain 2: The host of CNN 's '' Parts Unknown 3: Anthony Bourdain