You recall hearing the human gene thieves making preposterous claims.

Decker's expression made it obvious that he was incredulous at such a preposterous claim.

There was no mistaking the sadness in that beautiful voice, as he made his preposterous claim.

There was something about the extraordinary Lieutenant that made his preposterous claims credible.

I generally dismiss as preposterous any claims of alien signals.

This is clearly what lies behind the preposterous claims that I am a drug user.

Further, Arthur has never made any such preposterous claim at any other time.

Taking all of that into consideration, why was he making such preposterous claims?

I hope you are prepared to back up these preposterous claims.

He will show the helpfulness of making preposterous claims.