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 ) Tunisia 's tourism industry has been thrown into disarray by a terror attack on Wednesday that left at least 17 foreign visitors dead and prompted urgent warnings over security . 2: Prime Minister Habib Essid said Polish , Italian , German and Spanish tourists are among those killed , with another 20 tourists plus two Tunisians wounded in the attack . 3: Gunmen killed 17 tourists and two others on Wednesday at a museum in Tunisia 's capital .

1: terror attack 2: the attack 3: killed