The third one would be the example
On February 28, 2017, the last bullet under the Key findings section on page 1 was revised to correct a typographical error. The year in the latter part of the sentence was changed from 1999 to 2010 as follows: In 2015, the percentage of drug overdose deaths involving heroin (25%) was triple the percentage in 2010 (8%).
Answer: Most women start having regular contractions before their water breaks, but in some cases, the water breaks first. When this happens, labor usually follows soon after.
Explanation: Hope this helps :)