Problem: Wwo sentences:
In September , a 27-year-old Singapore researcher contracted SARS while working in a laboratory .
In a case in August , a 27-year-old laboratory worker in Singapore developed SARS .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Chechen officials working for the Moscow-backed government are a frequent target for rebels and tension is running high ahead of next Sunday 's presidential election in war-torn Chechnya .
Officials in Chechnya 's Moscow-backed government are a frequent target for rebels , and tension is running high ahead of Sunday 's presidential election in the war-ravaged region .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
" The gloves are off , " said UNIFI official Rob O 'Neill .
Unifi official Rob O 'Neill said : " The gloves are off .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The broader Standard & Poor 's 500 Index .SPX dropped 9.90 points , or 0.99 percent , to 988.61 .
The technology-laced Nasdaq Composite Index was down 25.36 points , or 1.53 percent , at 1,628.26 .
Do they have the same meaning?

Answer:
no