Sentence examples for one cannot say for sure from inspiring English sources

It is a tribute to the richness of the film that one cannot say for sure who the hero is.

Likewise, one cannot say for sure that Tendulkar is the greatest Indian cricketer of all time.

In all likelihood one of the two distributions is affected by a contamination but we cannot say for sure which one.

Even one of her closest friends cannot say for sure where she is buried.

Until the effect of R. bellii on vertebrates in the field has been properly defined, we cannot say for sure how many times vertebrate pathogenesis has evolved.

I cannot say for sure.

We cannot say for sure what happened.

I would say I believe there are, but I cannot say for sure".

As with anyone with PSP, Swankie cannot say for sure how long he has left.

As for the details, he added, "I cannot say for sure".

We cannot say for sure they were clean, but most writers seem to assume they were.