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 ) This weekend , millions of people are expected to tune in to watch two men beat each other up . 2: For them , boxing is n't really a sport . 3: Jonathan Gottschall : Millions to tune in to see Mayweather-Pacquiao fight , but this does n't show resurgence of declining sport of boxing .

1: beat each other up 2: boxing 3: boxing