sentence: Samantha asked Sarah if she had made the appointment with the doctor but 
complete: Sarah had forgotten.

sentence: Samantha was a minority but Carrie was not. 
complete: Carrie was a victim of affirmative action when applying for a job.

sentence: Patricia's zipper on their favorite coat broke, so she took it to her tailor Victoria. 
complete:
Victoria was glad to fix the coat's broken zipper.