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: The lack of accountability in the aftermath of the American intervention in Iraq not only paved the way for abuses like Abu Ghraib and Blackwater , it also fuelled sectarian tension in the country -- and today ISIS is reaping the benefits . 2: The U.S . poured money into Iraq after the 2003 invasion , but it did not make this support contingent upon a fair distribution of power and resources by the Iraqi government . 3: Lack of accountability following 2003 invasion paved way for abuse -- and for sectarian tensions .

1: the American intervention in Iraq 2: the 2003 invasion 3: 2003 invasion