Sentence examples for order is doubtful from inspiring English sources

Whether governors are legally able to implement such an order is doubtful.

Because objective recognition of vein orders above third order is doubtful and data presented here suggest that a scale with a total of five to seven levels might be sufficient, an improved leaf ranking system might rely only on separation of primary, secondary, and intercostal venation and be limited to six ranks.

In extreme free-word-order languages it is doubtful that phrases of more than one word (noun phrase, prepositional phrase, verb phrase, clause, sentence) are syntactically well-defined.

For one thing, we may point to the fact that it is doubtful that, in order to understand the claim that there is some past time at which George Bush is a baby, we have to be able to answer the question 'What does it take for an infant at some past time to be identical with Bush?' in any informative way.

Kemp is doubtful.

That much is doubtful.

But that is doubtful.

Fontana is doubtful.

Bleasdale is doubtful.

That is doubtful.

But Twagirimana is doubtful.