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: And today , many researchers believe it could spark a revolution in computing . 2: Jennifer Rupp is a Professor of electrochemical materials at ETH Zurich , and she 's working with IBM to build a memristor-based machine . 3: Researchers at ETH work with IBM in memristors for future computing devices .

1: it 2: a memristor-based machine 3: future computing devices