Complex sentence: The prosecutors had also drafted an affidavit for the trial judge in response to Foster's motion for a new trial which contained the statement: If it comes down to having to pick one of the black jurors, (this one) might be okay.
Split into simpler sentences: The prosecutors had also drafted an affidavit for the trial judge in response to Foster's motion for a new trial. It contained the statement: If it comes down to having to pick one of the black jurors, (this one) might be okay.