But it is not possible for any of us to predict that precisely.
If you have not had chickenpox before, you can catch it from someone with shingles but it is not possible to catch shingles itself from someone with the condition.
It is possible that there are moral and political benefits to a balanced budget, but it is simply not politically possible to impose massive spending cuts when the country is experiencing so much economic pain.
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But it is simply not possible to be precise about the timing of future events.
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It is not a good situation, but it something that is possible.
But under government plans it is not possible for an MP's constituents to instigate the "recall" process to force a by-election.
Google Buzz could create a complete collaborative dial tone but at this point it is not possible to use it with Google Apps, which has the email, contacts, calendar, and shared document functionality.
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But other business leaders have said it is not possible to pick and chose.
It does not seem to amount to much but it does mean that life is possible here.
We need a system that recognizes that it is not only possible, but even probable, that a business would have its manufacturing in China, its headquarters in Europe, its back office in India and its sales offices all over the globe.
But if cooling systems had not been restored, it is possible that the water in the ponds could have started to boil.
McCain staffers said the senator does not recall meeting Cunningham, but it is possible that they may have done so briefly at an event.
But it's not possible to know if Byetta is the cause of the problem, because there is no control group of similar patients who did not get the drug.
It's not going to be easy to make a energy plan that adds up, but it is possible.
Its not only possible, but likely that it is going from child-to-parent.
Sometimes is possible to reduce uncertainty but sometimes it is not.
The company said it does not currently think the lawsuits will have a "material adverse effect" on its business but said it is possible that could change in the future.
But since Indonesia is a big and inefficient country, it has not been possible to centralise back-office operations.
I've queried many herders about the feasibility of eight reindeer -- it is possible in the right hands, but not common.
But it is also possible that some elements of the army leadership do not like Mr Habibie's new approach to East Timor and are trying to subvert it on the ground.
Whether or not they exist is to be determined, but it makes it possible.
Where there is not the requirement to poach labour, but where it is possible to bring new labour into the production system.
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It is not meant to be a predictive tool but a means of considering possible outcomes to allow firms to react more nimbly to unexpected developments, he argues.
And so part of the tragedy of the situation has been that neither side is getting exactly what they want, but it's not been possible to break out of old patterns and a difficult history.
Eli Lilly may well be the potential mystery bidder for ImClone , but whether or not a published report pegging it as the possible suitor is correct, the pharmaceuticals maker would be better served to stay away.
It is quite possible for him to self-destruct - but not without American help.
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But experts warn that flu vaccines are not 100% effective, and it is still possible to become ill despite receiving a vaccination.
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