Here are two sentences:

But the country is scrambling to prevent it spreading to the vast countryside where most of its 1.3 billion people live .

China is scrambling to stop the disease from spreading to the countryside , where most of its 1.3 billion people live .

yes

Here are two sentences:

She has a boyfriend , too , officials said : Sgt. Ruben Contreras , who sat with her family Tuesday .

She also thanked her boyfriend , Sgt. Ruben Contreras , who was sitting next to the stage .

no

Here are two sentences:

Acting Police Chief Francisco Ortiz said the explosion was being treated as a criminal matter , but no possibility had been ruled out .

Acting New Haven Police Chief Francisco Ortiz said police were treating the explosion as a criminal matter .
no