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: ( CNN ) The president of Sierra Leone has an idea on how to curtail the spread of Ebola : Get everybody to stay inside . 2: During Sierra Leone 's lockdown last year , Doctors Without Borders said such an effort is unlikely to stop the spread of the disease . 3: Sierra Leone president orders 3-day national lockdown as part of efforts to stop the spread of Ebola .

1: curtail 2: stop 3: stop