Sentence examples for the problem is says from inspiring English sources

"The problem is not where you think the problem is," says the other.

2.32pm: The problem is, says Gompertz, "put the Turner prize on television and it dies on its arse".

"He doesn't want to see how big the problem is," says the head of a group that helps women in Nairobi's slums cope with their infection.

The problem is, says Dr Barrett, they have to fit in to a society that that thinks in terms of just two sexes.

"I've heard anecdotal reports … but there was no way of knowing just how big the problem is," says ecologist Meghan Duffy of the University of Michigan, Ann Arbor.

The problem is, says Krejsa, "It does not appear that the Trump administration understands what issues are at play or how to clearly articulate what their own principles are in this dispute".

"Not exactly sure what the problem is," said Rob Burnett, Mr. Letterman's executive producer.

"I actually don't know what the problem is," said Hamilton.

Expressions like that are called polynomials, so the problem is said to be solvable in "polynomial time" and is in the complexity class "P".

"We thought that this would be an ideal opportunity coming into the heart of where the problem is," said Williams.

Since the number of fluxes normally exceeds the number of metabolites (n > m), the problem is said to be underdetermined.