input question: D 'Cunha said , from a science standpoint , Toronto 's last case was April 19 , so the all-clear day was actually yesterday .
He said , from a science standpoint , the city 's last case was April 19 , so the all clear day was actually yesterday .

OPTIONS:
- no
- yes
output answer: yes

[Q]: Tehran has made clear it will only sign the Additional Protocol introducing such inspections if a ban on the import of civilian Western nuclear technology is lifted .
Tehran has made it clear it will only sign the protocol if a ban on imports of peaceful Western nuclear technology is lifted .
(See options at the end). If the first sentence is true, is the second one also true?
OPTIONS:
- no
- yes

[A]: yes

Question:
S1: The new effort , Taxpayers Against the Recall , will be formally launched Wednesday outside a Sacramento fire station .
S2: Called " Taxpayers Against the Recall , " it was to be launched Wednesday afternoon outside a Sacramento fire station .
Are S1 and S2 the same?
OPTIONS:
- no
- yes
Answer:
yes

QUES: However , the standards body warns that changes to Internet Explorer may affect a " large number " of existing Web sites .

Still , changes to IE " may affect a large number of existing Web pages , " according to the W3C 's notice .

The sentences above mean the same or not?
OPTIONS:
- no
- yes
****
ANS: yes

[Q]: Ms. Kethley has said she also repeatedly denied his accusations .

Ms. Kethley , who has repeatedly denied any infidelity , has recounted a similar story .

OPTIONS:
- no
- yes
****
[A]: no

[Q]: All five were charged with robbery and criminal impersonation of a police officer .

The teens are being held on charges of robbery and criminal impersonation of a police officer , sources said .

OPTIONS:
- no
- yes
****
[A]:
yes