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: The university is also considering whether fraternities will continue at Penn State , Barron said . 2:  It . . . brings us to a point where we must ask if a re-evaluation of the fraternity system is required ,  he said . 3: University president : Penn State considers  re-evaluation of the fraternity system 

1: Barron 2: where 3: University president