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: Soon , it was classified by industry analysts as a  dead mall  and it became an unflattering symbol of China 's runaway speculation on real estate projects . 2: And , he says , other developments that were once labeled  ghost cities  have gone on to thrive . 3: It was labeled a  ghost mall  -- symbol of China 's runaway speculation on real estate .

1: real estate projects 2: other developments 3: real estate