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: If the auroras are seen again tonight , Borek said , they wo n't be as pronounced and most likely wo n't reach as far south as Tuesday night . 2: People in northern Michigan , northern Minnesota and Maine may be able to spot them , although he warned that clouds from Minnesota to Montana may impede visibility Wednesday night . 3: Some in northern U.S. may see lights again tonight .

1: the auroras 2: them 3: lights