Problem: How does the sentence end?

Mary felt worse after taking the medication prescribed by Rachel, so
Answer: Mary wasn't able to get any better.

Problem: How does the sentence end?

The razor blade got broken when sharpening the boy's pencil because the
Answer: blade is weak.

Problem: How does the sentence end?

Emily set fitness goals and it inspired Erin, so
Answer: Erin wanted to set up some goals too.

Problem: How does the sentence end?

Christopher bought a video game for Kevin because
Answer:
Christopher knew it was their birthday the day after tomorrow.