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: Washington ( CNN ) An Iranian military observation aircraft flew within 50 yards of an armed U.S . Navy helicopter over the Persian Gulf this month , sparking concern that top Iranian commanders might not be in full control of local forces , CNN has learned . 2:  We think this might have been locally ordered ,  the official said . 3: U.S. official think Iranian plane may have been under orders of local commander .

SOLUTION: 1: flew within 50 yards 2: locally ordered 3: orders of local commander

PROBLEM: 1: ( CNN ) The search for a comic book artist missing in the Cayman Islands since Thursday is now being called a recovery mission . 2:  I'm so sorry to hear about Norman Lee 's disappearance . 3: Comic book artist Norman Lee went missing in the Cayman Islands on Thursday .

SOLUTION: 1: a comic book artist missing in the Cayman Islands since Thursday 2: Norman Lee 3: Comic book artist Norman Lee

PROBLEM: 1: The video of Graham yanking her son , Michael Singleton , and slapping him with a right hand as CNN affiliate WMAR recorded has led to the Internet calling Graham #motheroftheyear . 2: Many people have praised the unemployed , single mother of six for going to the Mondawmin Mall and getting her son away from the escalating violence . 3: Video of Toya Graham going to a protest and forcefully removing her son went viral , drew a lot of praise .

SOLUTION:
1: Graham 2: the unemployed , single mother of six 3: Toya Graham