[Q]: Appleton said police continue to hold out the possibility that more than one person was involved in the poisonings .

He said investigators have not ruled out the possibility that more than one person was behind the poisonings .

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

[Q]: Gordon stressed that his bill " is a lesson-learned bill and not a reflection on Admiral Gehman 's handling of the Columbia investigation . "

But Gordon emphasized that the legislation he introduced last week is " a lesson-learned bill and not a reflection on Admiral ( Harold ) Gehman 's handling of the Columbia investigation . "

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

[Q]: United Airlines plans to become the first domestic airline to offer e-mail on all its domestic flights by the end of the year , the company announced yesterday .

United Airways plans to offer in-flight , two-way e-mail on all domestic flights by the end of the year , becoming the first U.S. carrier to do so .

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

[Q]: In exchange , North Korea would be required to end its nuclear weapons program .

" In return we expect North Korea to give up nuclear weapons . "

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