But he says he cannot be sure why Mariam Khatib died until the samples are analysed.
But he cannot be sure that the commission's recommendations will conform to the government's modest wishes.
Although now plainly well placed to win the presidency, the Colonel cannot be sure of it.
The bookmaker cannot be sure, but some of the smart money may be coming from the clergy.
Without better information, they say, HMRC cannot be sure its strategies to collect more tax are being effective.
But you cannot be sure what will happen in the next 48 days.
The trouble is that not much from that period survives and particularly not organic material, so we cannot be sure.
Moreover, an attacker cannot be sure what effect an assault will have on another country, making their deployment highly risky.
Another spokeswoman for the Interior Ministry said an explosive device may have been on the bus, but authorities cannot be sure.
Some will say he didn't mention them because he cannot be sure of achieving either growth or deficit reduction in 2012.
That is almost certainly true, even though we cannot be sure what form that test will take or from which quarter.
"Until we find out what happened we cannot be sure that the second wheel will not suffer similar problems, " a spokeswoman said.
BBC: Cambridgeshire composter breakdown costs ?60,000 a week
In the networked world, though, you cannot be sure the guy (IP address) that seems to be attacking you is really the one attacking you.
He has also steered largely clear of more volatile sectors, such as technology, where he cannot be sure that a company has a sustainable advantage.
This is how hard it is: Republican leaders cannot be sure of getting enough Republicans to vote for their own plan to cut the debt and raise borrowing.
Some witnesses told police they thought they saw McDermott get off the boat when it docked and walk toward the parking lot, but they cannot be sure it was him.
In a statement, the hospital said both mother and daughter ate at the outlet in Wrexham "but cannot be sure that they picked up the infection there and are unwilling to speculate".
The report says it expects the financial impact of the recommendations to "be reasonably even-handed between the largest two parties" although it cannot be sure - and recommended further work before it was brought in.
Mr Justice Nicol said there was "no pathological evidence that Tia had been sexually assaulted, but it could not be excluded...so I cannot be sure from these features either that the photograph was taken after Tia had died".
BBC: Sentencing remarks on Stuart Hazell from Mr Justice Nicol
If the US can increase production by 25% within the decade, could the world?? I doubt it, but we cannot be sure, because there are bound to be fields in other countries ripe for exploitation with the same technology.
FORBES: US Oil Industry Leads the Way in Extracting Hard-to-Get Crude; Steel to Benefit
"The initial set of indicators suggests wide variation in both practice and outcomes between maternity units which is a source of concern for the specialty as we cannot be sure that every woman is getting the best possible care, " he said.
While this creates problems for creditors who cannot be sure that the laws of the forum where they are attempting collection will apply, it also creates great uncertainty for planners who are attempting to use trusts for asset protection reasons for their clients.
The opponents include the prominent Swiss-based (but Russia-linked) Trans World Group, which says that a ban on tolling is impractical, because Russian firms cannot be sure of always having the hard currency to pay for the continuous supply of imported ore they need.
Of course, we cannot be sure whether the 53% of deals which destroyed value were among organisations which would have lost value against competition if they had not merged but one of the sure-fire ways to stack the odds against yourself is to look at your target or partner from a business point of view only.
Mr Patterson, though his party heads the opinion polls, cannot be so sure of winning.
We cannot even be sure what our tax rates will be next year.
FORBES: Does Newton's First Law of Motion Apply to Recessions?
Because most organizations have only a partial understanding of what behaviors drive performance, they cannot always be sure what they are paying for.
This is the first of two sightings Adrian has but he does tell us he cannot be a 100% sure of either as they were both at night.
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