Problem: Wwo sentences:
Because of the holiday period , the agency will not release data from the period since Dec. 27 until today .
Because of the holidays , CDC is not releasing data from the period since Dec. 27 until today .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The technology-laced Nasdaq Composite Index .IXIC rose 39.39 points , or 2.2 percent , to 1,826.33 , after losing more than 2 percent on Tuesday .
The blue-chip Dow Jones industrial average .DJI jumped 194.14 points , or 2.09 percent , to 9,469.20 after sinking more than 1 percent a day earlier .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
Mr Blair admitted in a newspaper article Mr Bush ' s critics were " rubbing their hands at the scope for embarrassing him " .
The Prime Minister today admitted that critics are " rubbing their hands at the scope for embarrassing him " .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
More than 100 officers launched the raids in the final phase of a two-year operation investigating a cocaine import and money laundering ring .
More than 100 police officers were involved in the busts that were the culmination of a two-year operation investigating the cocaine importing and money laundering gang .
Do they have the same meaning?

Answer:
yes