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: But Aden remains a city not fully in the hands either of Houthi rebels or forces loyal to the ousted government of President Abdu Rabu Mansour Hadi . 2: Given that control of the city is still divided , there is a feeling that not enough of what the Saudis set out to do has been accomplished . 3: Control of strategic seaport of Aden divided between Houthi rebels and government loyalists .

1: Aden 2: the city 3: strategic seaport of Aden