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: In Louisville , Kentucky , Sen . Rand Paul made the not-so-surprising announcement that he will run for president , while in Chicago , voters will head to the polls in a very surprising runoff between Mayor Rahm Emanuel and challenger Jesus  Chuy  Garcia . 2: And in Ferguson , Missouri , the shadow of Michael Brown and the protests over his shooting by Officer Darren Wilson will loom large over the city 's elections . 3: Voting has put Rahm Emanuel and Ferguson , Missouri , back in the headlines .

1: the polls 2: the city 's elections 3: Voting