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: But Glikson said the researchers stumbled across scars from the impacts during drilling for geothermal research . 2:  There are two huge deep domes in the crust , formed by the Earth 's crust rebounding after the huge impacts , and bringing up rock from the mantle below ,  Glikson said . 3: Researchers stumble across traces of the impact zone deep in the earth 's crust .

1: scars from the impacts 2: two huge deep domes in the crust , formed by the Earth 's crust rebounding after the huge impacts 3: traces of the impact zone deep in the earth 's crust