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:  It was tough , very intense at times , sometimes emotional and confrontational .  2: Such ambushes were a frequent occurrence during the talks as reporters tried to supplement what little information was being circulated through official channels . 3: Reporters resorted to ambushes to talk to officials ; negotiations were  sometimes emotional and confrontational 

1: It 2: Such ambushes 3: ambushes