Problem: How does the sentence end?

Emily takes prescription medicine for their pain but Cynthia only uses essential oil as 
Answer: Emily does not have issues with addiction.

Problem: How does the sentence end?

My back didn't hurt when I carried the chair, but it hurt when I carried the television because the 
Answer: chair was lighter.

Problem: How does the sentence end?

Mary wanted to ease Rachel's pain, so 
Answer: Rachel allowed them to apply some pain medication to the area.

Problem: How does the sentence end?

Jackson threw a baseball during a game and broke a window. The 
Answer:
baseball was strong.