Problem: Wwo sentences:
" These are dark days for our industry , " Giovanni Bisignani , director general of the Geneva-based organization , said in a statement .
" These are dark days for our industry , " the Geneva-based International Air Transport Association 's Director-General Giovanni Bisignani said .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The conservancy helped in the purchase of the land from the Estate of Samuel Mills Damon for $ 22 million .
The park service purchased the land from the estate of Samuel Mills Damon for $ 22 million .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
The technology-laced Nasdaq Composite Index .IXIC > rose 8.25 points , or 0.45 percent , to 1,861.15 .
The Nasdaq composite index dropped 6.8 percent , and the Standard & Poor 's fell 4.9 percent .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
The chip also features an updated LongRun power and heat management system .
It also features Nvidia 's own PowerMizer power management system .
Do they have the same meaning?

Answer:
yes