TASK 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*
PROBLEM: 1: The move by prosecutor Javier de Luca to drop the case could mean a definitive end to the accusations that have roiled the nation , according to Argentina 's state-run Telam news agency . 2: A judge dismissed the case , saying that Nisman 's allegations did not hold up . 3: The prosecutor looking at allegations against Argentina 's President says no crime committed .

SOLUTION: 1: prosecutor Javier de Luca 2: A judge 3: The prosecutor

PROBLEM: 1: The strikes ' target is Houthi rebels , a Shiite Muslim minority group that has taken over the capital and , on Wednesday , captured key parts of the Yemeni port city of Aden . 2: The Houthis are allied with majority Shiite Iran . 3: The strikes target the Houthis , who are Shiite Muslims backed by Iran .

SOLUTION: 1: Houthi rebels , a Shiite Muslim minority group 2: The Houthis 3: the Houthis

PROBLEM: 1: In a tweet , the space agency said astronaut Terry Virts experienced water inside his helmet , just as he did Wednesday , but  it 's a known issue ; no concern .  2: Water in the sublimator cooling component can condense when the suit is repressurized after a spacewalk , causing a small amount of water to push into the helmet , NASA said . 3: Astronaut Terry Virts found a small amount of water inside his helmet .

SOLUTION:
1: water 2: water 3: water