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 ) A British military health care worker in Sierra Leone has tested positive for Ebola , a UK health agency said . 2: Authorities are investigating how this person was exposed to the virus and tracing individuals in recent contact with the diagnosed worker , said the Public Health England spokesperson . 3: Spokesperson : Experts are investigating how the UK military health care worker got Ebola .

1: a UK health agency 2: the Public Health England spokesperson 3: Spokesperson