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: Speaker of the House , John Bercow , said Monday that repairs needed to bring the nineteenth century structure up to scratch could come close to # 3 billion ( $ 4.6 billion ) . 2: A 2012 study entitled  The Restorations and Renewal of the Palace of Westminster  found that the building could suffer permanent damage if work was not undertaken to stem leaks , repair crumbling stonework and remove asbestos . 3: Parliament could require restoration work totaling $ 4.6 billion .

1: the nineteenth century structure 2: the building 3: Parliament