Cotton-industry officials say it is virtually impossible to tell organic cotton from the ordinary kind.
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Whether Cheney really believes the insurgents are on their last legs is impossible to tell.
The rooms aren't labeled, and it's impossible to tell what's behind the scary mystery doors.
It sometimes was impossible to tell whether Mr. Plunkett had thrown a touchdown or an interception.
It is impossible to tell based on the limited amount of data Lilly has provided.
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It was impossible to tell whether he was there to spy for us or on us.
"Whether these witnesses have actually been tainted or not is almost impossible to tell, " Brinkema said.
It is impossible to tell how many such Chinese farm villages have been set up in Russia.
On first blush, the phone looks so ordinary that it's impossible to tell there's a radiation meter within.
It is impossible to tell who benefited from the warrants, because all of these transactions took place offshore.
It is impossible to tell at this point whether this current market action is a sign of a longer-term trend.
It will be impossible to tell the government's true direction until ministers have spelled out their planning statements for each specific sector.
So African artists often find it impossible to tell their own stories.
But it is impossible to tell how much of the employment growth at these kinds of firms relates to a particular industry.
Ms. KING: Well, during the afternoon, it was almost impossible to tell.
Unlike other known political figures such as Sir Winston Churchill, she said, it was impossible to tell how popular the items would be.
He said: "It will be impossible to tell for instance the story of the 2015 general election without accessing what appears on the web".
But many patients who were randomly assigned to one treatment opted to get the other instead, so it is impossible to tell which option was best.
Seven women were competing with 43 men, and as the cars spun past scarily close to the spectators it was almost impossible to tell who was inside.
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Bill was a force of nature, and so it was impossible to tell whether his outburst was genuine or calculated drama, but it amounted to an earthquake.
Quite how many, however, is impossible to tell: because most such treatments are still unregulated, no one knows how many people are either providing or receiving them.
The last four digits of all of the numbers in the filing were redacted, meaning that it was impossible to tell which specific phones investigators were trying to identify.
Neither trial had a control group, making it impossible to tell whether the good survival numbers are due to the vaccine or to some subtle characteristic of their illnesses.
It is impossible to tell exactly at what price Porsche built up its indirect 31.5% stake in Volkswagen, which it hopes to use as a springboard for a full takeover.
They treat capital expenditures, like buildings and long-term assets, the same way they treat operational expenditures, so it's really impossible to tell if we have a surplus or deficit or what.
There's still no telling how he'll be received opening day, but as he pointed out, "Youuuuk" sounds the same as "booooo, " so it'll be impossible to tell if he's well-liked anyway.
"We want all schools to make it impossible to tell who 'pays' for lunch or not, so that no child could ever feel embarrassed about claiming what's rightfully theirs, " she says.
Unfortunately, the massive amount of oil continuing to spew out of the pipe obscured it from view, making it impossible to tell whether the company's latest attempt is having any success.
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