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: He took to social media and started emailing and calling hiking groups that operated in Nepal , but no one was getting back to him . 2: But that was all the information he had , and he wanted to hear directly from his sister , so he took to Twitter to see what other people were doing to track down loved ones . 3: Social media has helped people overseas tracked down their loved ones in Nepal .

1: social media 2: Twitter 3: Social media