Well, if you can guarantee that the specimen encapsulates all of the grammar rules you're likely to find, and the sentences themselves consist of the only patterns you're going to find, then you can brute-force some perl out that's not too painful. Woodenly using your input sample as THE pattern, a 30-line script can blindly cobble together this kind of output (not perfect but close): 
Seoul: population  more than 10.2 million
Seoul: capital  South Korea
Seoul: is  world's largest city  terms  population.

Sao Paulo(Brazil): world's second-largest city
Sao Paulo(Brazil): has  population   over ten million.

Three other cities: have grown to more than nine million people.

Bombay(India): have grown to more than nine million people.

Jakarta(Indonesia) and Karachi(Pakistan): have grown to more than nine million people.

In reply to Re: The (futile?) quest for an automatic paraphrase engine by rje
in thread The (futile?) quest for an automatic paraphrase engine by dimar

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