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: Following Wednesday 's announcement , Michael Brown 's parents , Lesley McSpadden and Michael Brown Sr . , released a statement saying they were disappointed that Wilson would not face federal charges in their son 's death . 2: If that change happens , our son 's death will not have been in vain .  3: Michael Brown 's parents say son 's death not in vain if report prompts change .

1: their son 's death 2: our son 's death 3: son 's death