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*

[EX Q]: 1: North African cities dominated the top five , with Cairo claiming pole position , followed by Tunis , Johannesburg , Casablanca and Algiers . 2: However , sub-Saharan cities registered among the highest in terms of society and demographics , excelling in diversity and population growth , both useful when looking towards future investment . 3: North African capitals dominate , but there are signs that sub-Saharan cities will come into their own in the near future .
[EX A]: 1: cities 2: cities 3: cities

[EX Q]: 1: There is a backstory here worthy of our attention , and it has to do with Italy 's colonial past . 2: As migrants , Libyans are fewer in number , but Libya ( 1912-1941 ) plays a central role in the current crisis as the main departure point for Italy . 3: Ruth Ben-Ghiat : Italy 's colonial past plays a key role in the migrant humanitarian disaster in the Mediterranean .
[EX A]: 1: Italy 2: Italy 3: Italy 's

[EX Q]: 1: In just the last year , the number of Patriot groups declined by 20 % , from 1,096 groups to 874 ,  the report said . 2: The SPLC now reports 72 chapters , down from 163 a year ago . 3: In particular , the number of KKK chapters dropped from 163 to 72 in a year , it says .
[EX A]:
1: said 2: reports 3: says