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: 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 .

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