Problem: Wwo sentences:
AMD had revenue of $ 715 million and a loss of 42 cents a share during the March quarter .
Analysts surveyed by First Call were expecting sales of $ 723 million and a loss of 28 cents a share .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
The Dow Jones Industrial Average was up 0.3 per cent at 9,886.75 , while the Nasdaq Composite index was 0.4 per cent higher at 1,986.97 .
On Wall Street , the Dow Jones Industrial Average rose 0.5 per cent at 9,905.8 and the Nasdaq Composite added 0.7 per cent at 1,995.1 .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
He was a close associate of Sept . 11 mastermind Khalid Shaikh Mohammed , " Bush said .
" He 's a known killer who was a close associate of Sept . 11 mastermind Khalid Shaikh Mohammed .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
China would become only the third nation to put a human in space .
China would become the third nation to achieve manned spaceflight .
Do they have the same meaning?

Answer:
yes