Example sentences of "a [num ord] problem [is] that " in BNC.

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1 A second problem is that many bacteria living ‘ in the wild ’ are not always easy to culture in the laboratory .
2 A second problem is that the SupersPORT has a bastardized type of CGA , known as double-scan CGA .
3 A second problem is that the calculation of the half-life of carbon 14 is still being refined .
4 A second problem is that the theory embarrassingly fails to fit the facts of history .
5 A second problem is that ( 6.9 ) is an infinite sum which might diverge .
6 A second problem is that it seems somehow contradictory that to should have meaning in some of its uses but not in others .
7 A second problem is that utterances like ( 101 ) Harry can only speak this loud are token-reflexive to the physical properties of the utterance itself , so that not only do the enormous technical problems of dealing with token-reflexives in a logical manner have to be solved , but all the physical properties of an utterance will also have to be available as indices ( requiring , again , an indefinite number of indices ) .
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