Sentence examples for source of the problem was from inspiring English sources

The source of the problem was the service box".

Oftentimes the source of the problem was inadequate gas composition control caused by gas buoyancy.

He said the "ultimate source" of the problem was not yet known but agencies including Interpol were investigating a supply network that stretched across Europe.

He concluded that the main source of the problem was counterfeit drugs – in particular tablets with low doses of artesunate – insufficient to kill the parasites, but enough to lead to resistance.

The source of the problem was the system that had done so much to keep A330s safe for 15 years, across millions of miles of flying: the fly-by-wire.

A Ferrari spokesman, who asked not to be named because of company policy, said the source of the problem was a wheel-arch heat shield that came too close to an exhaust pipe.

The source of the problem is here, not in Afghanistan.

But 37 years after independence, the source of the problem is not so clear.

"Just listen to the quality of debate in this country about what the source of the problem is," Fukuyama continues.

The source of the problem is Congress, which has slashed the agency's budget by almost 30percentt since the 1980's.

Another source of the problem is brick making, which relies heavily on firewood to fire the kilns.