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: Consider the Fortune 500 and the alma maters of the heads of the 10 companies with the highest gross revenues back in the summer of 2014 . 2: There was only one Ivy League school on the list ( Dartmouth ) , Bruni says in his book . 3: Of the top 10 Fortune 500 CEOs in 2014 , only one went to an Ivy League school .

1: alma maters 2: Ivy League school 3: Ivy League school