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: Britain 's broadcasters , keen to channel lively politics onto prime time TV and boost ratings , have been working the corridors of power themselves over the past year to try to nail down a repeat -- or two -- of the 2010 knockabout . 2: No one seems to be budging but both of the UK 's largest parties could use the bump in the polls such a debate might bring . 3: Election TV debates only arrived in the UK in 2010 .

1: Britain 2: UK 3: UK