Given the task definition and input, reply with output. 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*

1: By far the most surprising development was its claim of responsibility for the twin suicide bomb blasts that killed over 130 in Houthi-Shia mosques in Sanaa , Yemen , on Friday and another attack in the north . 2: ISIS was only thought to have a fledgling presence in Yemen and had only claimed one previous attack , the assassination of a Yemeni security official north of Aden earlier this month . 3: ISIS was only thought to have a fledgling presence in Yemen , but claims responsibility for bombing there .
1: Yemen 2: Yemen 3: Yemen