Problem: Wwo sentences:
Advertising revenue at the FT newspaper was down 18 percent in the first half and circulation was down 5 percent .
Advertising revenue at the Financial Times was down about 18 percent in the first half and recent months have seen little improvement .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
Chief Justice William Rehnquist and Justice Clarence Thomas were the two other dissenting judges .
His dissent was joined by Chief Justice William H. Rehnquist and Justice Clarence Thomas .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Clark said the program would cost about $ 100 million a year and would be part of the Department of Homeland Security .
Clark , one of nine Democrats seeking the nomination , said the program would cost about $ 100 million a year and would be within the Department of Homeland Security .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The Standard & Poor 's 500 Index shed 5.20 , or 0.6 percent , to 924.42 as of 9 : 33 a.m. in New York .
The broader Standard & Poor 's 500 Index .SPX edged down 9 points , or 0.98 percent , to 921 .
Do they have the same meaning?

Answer:
yes