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: Consider 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 .

Output: 1: authorities 2: 911 3: 911


Input: Consider Input: 1: Here 's the thing : That 77-cent wage gap statistic is grossly overstated . 2: It 's a comparison of averages -- comparing full-time working women with full-time working men -- that does n't control for any of the important factors that go into determining one 's salary such as education , profession , title , time spent in the workforce and time spent in the office each day , to name a few . 3: She says the wage gap between men and women is grossly overstated .

Output: 1: That 77-cent wage gap statistic 2: It 3: the wage gap between men and women


Input: Consider Input: 1: Since their young son 's disappearance , the Patzes have worked to keep the case alive and to create awareness of missing children in the United States . 2: In the early 1980s , Etan 's photo appeared on milk cartons across the country , and news media focused in on the search for him and other missing children . 3: Etan Patz disappeared in 1979 ; his face appeared on milk cartons all across the United States .


Output: 1: their young son 2: Etan 3: Etan Patz