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: Egypt is now looking into reports that one of its most historic sites was the backdrop for a Russian porn flick . 2: According to Al Arabiya News , authorities have confirmed that an X-rated film was shot next to the Pyramids of Giza and the Sphinx and are now investigating . 3: Meanwhile , Egypt investigating Russian pornography film reportedly shot at Great Pyramids .

1: a Russian porn flick 2: an X-rated film 3: Russian pornography film