Sentence examples similar to were impossible to ascertain from inspiring English sources

As neither biographer is big on sourcing, the truth is impossible to ascertain.

It was impossible to ascertain whether the shelling came from the military or the rebel Liberation Tigers of Tamil Eelam.

Similarly, how many have disappeared, taken into the jungle to never return, is impossible to ascertain.

But she admitted that how many people who had unknowingly eaten horsemeat was likely to be impossible to ascertain.

It is never elaborated on, and its reliability is impossible to ascertain.

Griffith-Jones concluded that nobody should be prosecuted, as it was impossible to ascertain which guards had inflicted which blows.

The scale of the problem is impossible to ascertain precisely in a country where everything has been destroyed.

Fighters were killed on both sides, according to the two accounts, but it was impossible to ascertain the correct toll.

"It is impossible to ascertain exactly how much of Teva's product has entered or may enter the market," he said.

It was impossible to ascertain, in the hours after the blast, how long ago the shops and offices in Starco had switched to safety glass.

While the overall effectiveness of the strikes is impossible to ascertain, there are many accounts to confirm that insurgent fighters and leaders have indeed been killed.