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: On Tuesday , President Obama announced that the withdrawal of U.S . forces from Afghanistan would be slowed and the remaining 9,800 troops would stay there through the end of 2015 . 2: Both the Democratic and Republican parties should adopt such a plan in their platforms as they gear up for the 2016 campaign . 3: President Obama is planning withdrawal of all U.S. troops from Afghanistan by end of 2016 .

1: the withdrawal of U.S . forces from Afghanistan 2: such a plan 3: withdrawal of all U.S. troops from Afghanistan by end of 2016