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*

Example Input: 1: Before last week 's blast , the restaurant 's owner had smelled gas and contacted the building 's owner , but did n't contact authorities . 2:  They should have called 911 ,  he said . 3: Emergency commissioner : Restaurant owner smelled gas , but did n't call 911 .
Example Output: 1: authorities 2: 911 3: 911

Example Input: 1: Los Angeles ( CNN ) Even as major airports across the country clamp down on employee screening , a lone wolf could still potentially slip through security , a top airport official said . 2:  I agree that in any airport throughout the United States and here also , there is never a 100 % guarantee that somebody who wanted to do something illegal or wrong could n't make that happen ,  Gannon said . 3: Still , there 's never a 100 % guarantee of safety , airport official says .
Example Output: 1: airports 2: airport 3: airport

Example Input: 1: ( CNN ) After a handful events in two months , Hillary Clinton has filled her March with a mix of women 's events , nonprofit speeches and at least one paid appearance . 2: Most of Clinton 's events are focused on one thing : women . 3: Clinton currently has seven events in March , with one paid speech and many focused on women .
Example Output:
1: Hillary Clinton 2: Clinton 3: Clinton