Sentence examples for contention is questionable from inspiring English sources

This contention is questionable, however, because extracellular ADA is not effective at overcoming high levels of adenosine inhibiting T cells unless it is in complex with CD26.

That, too, is questionable.

That is questionable.

Yet that is questionable.

The other is questionable.

Historically, that is questionable.

Kittles, however, is questionable.

This claim is questionable.

His judgement is questionable.

Stafford is questionable tomorrow.

Williams is questionable.