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: So will President Obama . 2: On practically every other issue , the Koch brothers and I are still fierce opponents . 3: He says President Obama , the Koch brothers , Newt Gingrich , Cory Booker and others agree on it .

1: President Obama 2: I 3: President Obama