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 ) Incumbent Goodluck Jonathan phoned former military leader Muhammadu Buhari on Tuesday to concede defeat in Nigeria 's presidential elections , Buhari 's party says . 2: In his statement Tuesday , Jonathan said ;  I promised the country free and fair elections . 3: Incumbent President Goodluck Jonathan acknowledges defeat , says he delivered on promise of fair elections .

1: elections 2: elections 3: elections