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: It is responsible for fueling the newly discovered reservoir that lies on top of it . 2: The magma chamber , which scientists already knew about , lies on top of the reservoir -- and draws magma from it . 3: They discovered a vast magma reservoir fueling a vast one scientists already knew about .

1: fueling 2: draws magma 3: fueling