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: More than 150 cities or counties and 24 states currently have such laws on their books , according to Mothers Against Drunk Driving . 2: In some cases , parents can be held liable even if they did n't know the drinking was taking place . 3: In 24 states , parents can be held liable for teen drinking in their home .

1: Mothers 2: parents 3: parents