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: You ca n't explain to them , that it 's to help them ,  foster mom Laura Aquilina told CNN affiliate KDVR . 2: Brutus has been adopted by Aquilina who 's been walking and exercising the dog to learn balance . 3: He 's learning to walk on the prosthetics with help from his foster mom .

1: foster mom Laura Aquilina 2: Aquilina 3: his foster mom