Problem: Context: The substances that our company uses do not leave stains, do not have an unpleasant smell and are not toxic.
Our substances remove stains.
A: no

Problem: Context: Canada rig count at 148, down 46 compared to last week's and down 27 compared to last year's.
Last year, the tally was 148
A: no

Problem: Context: In 1955, the Aurora Borealis, a coating applied to crystal stones to produce a "rainbow of colors" effect was introduced.
The Aurora Borealis was discovered in 1995.
A: no

Problem: Context: An Iraqi official reported today, Saturday, that 68 Iraqi civilians were killed as a result of the American and British bombing on Iraq and that their funerals were held today in Baghdad.
The 68 civilians killed as a result of the Anglo-American bombing of Iraq, were buried today in Baghdad.
A:
yes