TASK 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*
PROBLEM: 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 .

SOLUTION: 1: cities 2: cities 3: cities

PROBLEM: 1: In a statement released through a private investigator he 's hired in the case , her father said that he was thrilled to learn Mary is safe . 2:  We love Mary and are overjoyed that she is alive and back in the US . 3: Mary Nunes ' father says he is  overjoyed she is alive and back in the US 

SOLUTION: 1: Mary 2: Mary 3: Mary Nunes

PROBLEM: 1: ( CNN ) The people of Nepal are still trying to recover from two major earthquakes and a mudslide . 2: We have vetted a list of organizations working in Nepal that have created specific funds for relief efforts , including : . 3: Aid organizations are still working to help the people of Nepal in the wake of two major earthquakes .

SOLUTION:
1: Nepal 2: Nepal 3: Nepal