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: The company reported Saturday that American Dan Fredinburg died in the Everest base camp avalanche , while two others suffered non-life-threatening injuries . 2: At least 13 Nepalese locals and Sherpas were killed in that incident , which at the time was the deadliest incident ever around Everest . 3: At least 13 die after avalanches at Mount Everest base camp , authorities say ; Climber says 17 dead .

1: the Everest base camp avalanche 2: that incident , which at the time was the deadliest incident ever around Everest 3: avalanches at Mount Everest base camp