input question: Tehran has said it will only sign the protocol if a ban on imports of peaceful Western nuclear technology is lifted .
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 .

OPTIONS:
- no
- yes
output answer: yes

input question: Enron 's 401 ( k ) plan covered about 20,000 workers , retirees and beneficiaries .
Enron 's stock comprised as much as 61 % of the workers ' 401 ( k ) portfolios .

OPTIONS:
- no
- yes
output answer: no

input question: Calvin Hollins Jr . ' s attorney , Thomas Royce , has repeatedly said his client had no link with the company that owned and operated E2 .
The lawyer for Hollins Jr . , Thomas Royce , has said his client had no link to the company that owned and operated E2 .

OPTIONS:
- no
- yes
output answer: yes

input question: No one has been killed in the attacks , which have continued despite major setbacks for al Qaeda in a battle with Saudi security forces .
No one has been killed in the recent attacks , which have continued despite serious setbacks for al-Qaeda following battles with Saudi security forces .

OPTIONS:
- no
- yes
output answer:
yes