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: ( CNN ) Ciudad Juarez , Mexico , was once known as the murder capital of the world . 2: Many were helplessly caught in the cartel violence . 3: Cartel violence helped make Juarez the murder capital of the world five years ago .

1: murder 2: cartel violence 3: murder