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: Sao Paulo , Brazil ( CNN ) Hundreds of thousands of Brazilians are taking to the streets in protests across the country , lashing out against President Dilma Rousseff as she struggles with an economic downturn and a massive bribery scandal . 2: One of the biggest : an investigation into a multimillion-dollar kickback scheme at the state-run oil company Petrobras . 3: Protesters angry over bribery scandal involving state-run oil company Petrobras .

1: a massive bribery scandal 2: a multimillion-dollar kickback scheme at the state-run oil company Petrobras 3: bribery scandal involving state-run oil company Petrobras