Tom Rees is set to start at open-side ahead of Michael Lipman, while the number eight position is uncertain.

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The number of real Web developers remains uncertain.

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In the Senate, the GOP should easily have won a basketful of new seats but a number of missteps by their candidates have made outcomes uncertain.

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The precise number of children with no protection against measles is uncertain, but health professionals say it is at least a million children and may be significantly higher.

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BP, which owns part of the facility, said there was "a small number" of its employees "whose current location and situation remain uncertain".

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The official version of Mr Yeats's paper was published with a number of caveats, such as a statement that the author is uncertain whether, taken as a whole, changes in the Mercosur countries' trade policies since 1988 have reduced their economic welfare.

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Ms Butler also cites a number of recent examples which illustrate what she calls the "unclear and uncertain" boundaries of the current devolution settlement.

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