Q:
Do these sentences have the same meaning?
Sony 's portfolio gives subscribers a variety of personalized services including the ability to download and experience images , ring tones , music videos and other music entertainment services .
Sony Music 's portfolio of products and services currently enable carriers to offer subscribers the ability to download images , ring tones , music videos and other entertainment services .
A:
yes

Q:
Do these sentences have the same meaning?
No charges have been filed in the deaths of the other victims ; Lupas said authorities were making progress in the case .
No charges have been filed in those deaths , but prosecutor David Lupas said authorities were making progress in the case .
A:
yes

Q:
Do these sentences have the same meaning?
Goss said CIA Director George Tenet has provided the committee with 19 volumes of documents on prewar intelligence which has been made available to House members .
He also noted that Tenet has provided the committee with 19 volumes of documents on prewar intelligence which has been made available to House members .
A:
yes

Q:
Do these sentences have the same meaning?
Russia had closed checkpoints on parts of the border with China and Mongolia until June 4 , Itar-Tass news agency said .
Russia has closed dozens of checkpoints on the border with China and Mongolia , which has also reported SARS cases , until June 4 , Itar-Tass news agency said .
A:
no