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: Buhari ruled Nigeria from late 1983 until August 1985 after ousting his predecessor in a coup . 2: The 72-year-old retired major general 's experience as a military ruler has variably been viewed as a plus or minus in present-day Nigeria , where the government has been locked in a deadly battle with the militant group Boko Haram . 3: Buhari is a 72-year-old retired major general who ruled in Nigeria in the 1980s .

1: Nigeria 2: Nigeria 3: Nigeria