Question:
American Airlines began laying off hundreds of flight attendants on Tuesday, after a federal judge turned aside a union's bid to block the job losses.
Is this true?
American Airlines will recall hundreds of flight attendants.

Answer:
yes

Question:
World leaders expressed concern on Thursday that North Korea will quit six-party nuclear disarmament talks and will bolster its nuclear weapons arsenal.
Is this true?
World leaders have condemned North Korea for pulling out of talks.

Answer:
no

Question:
Polio is no longer a serious health problem for people living in the developed nations, such as the United States, Germany, or France.
Is this true?
Polio is under control in the world.

Answer:
no