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: This time it 's over a  Saturday Night Live  commercial parody that aired over the weekend . 2: The sketch mocked ISIS and on some level those who would fall for its sales pitch , like , perhaps , the three young British girls who reportedly headed to join them . 3: Dean Obeidallah : Twitter blew up over  Saturday Night Live  skit about girl joining ISIS .

1: a `` Saturday Night Live '' commercial parody 2: The sketch 3: Saturday Night Live '' skit