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*

Q: 1: But as with any potential threat to human health , they are preparing for the worst just in case . 2:  The risk to humans is low , our food supply is safe ,  said Dr . John Clifford , the USDA 's Chief Veterinary Officer . 3: The CDC says  the risk to humans is low ,  but , as always , they are preparing for the worst case .

A: 1: they 2: USDA 3: The CDC
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Q: 1: Although al Qaeda was behind the 1998 attack that killed more than 200 people , Al-Shabaab has killed many more Kenyans and is by far the country 's most persistent tormenter , according to a University of Maryland study . 2: In short succession , bombs detonated at U.S . embassies in Kenya and Tanzania back then . 3: Al Qaeda 's 1998 attack on the U.S. Embassy is the single largest , but Al-Shabaab have killed many more Kenyans .

A: 1: the 1998 attack 2: bombs 3: Al Qaeda 's 1998 attack on the U.S. Embassy
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Q: 1: ( CNN ) Late one night on Facebook , a girl with cystic fibrosis messaged a boy with cystic fibrosis , and both their lives were changed forever . 2: Katie and Dalton were glad to hear it . 3: Katie and Dalton met as patients dealing with cystic fibrosis .

A:
1: a girl with cystic fibrosis 2: Katie 3: Katie
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