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 ) Former Vice President Walter Mondale was released from the Mayo Clinic on Saturday after being admitted with influenza , hospital spokeswoman Kelley Luckstein said . 2: We treated him for flu and cold symptoms and he was released today ,  she said . 3: The former vice president , 87 , was treated for cold and flu symptoms .

1: influenza 2: flu and cold symptoms 3: cold and flu symptoms