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: Under the change announced by New York Mayor Bill de Blasio and city Schools Chancellor Carmen Farina , there will be no class for Eid al-Adha , also known as the Festival of Sacrifice , starting next September 24 . 2: The move is n't a surprise , given de Blasio 's campaign pledge to alter the school calendar with Muslim families in mind . 3: Bill de Blasio had pledged to change the school calendar during his mayoral campaign .

1: no class 2: alter the school calendar 3: change the school calendar