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: Washington ( CNN ) Chief Justice John Roberts is back in the spotlight . 2: Roberts -- who shocked conservatives nearly three years ago by providing a pivotal vote to uphold Obamacare -- once again faces a judicial crossroads in a historic case . 3: Chief justice disappointed conservatives earlier when he helped uphold Obamacare .

1: Chief Justice John Roberts 2: Roberts 3: Chief justice