"Ignaz Semmelweis Saved Lives: Wash Your Hands" and "1847: Wash Your Hands"

Which statement below summarizes the way the second text differs from the first text in terms of text structure?
The second text uses a problem-solution text structure to highlight the enormous impact of Semmelweis’s solution. The second text uses a problem-solution text structure to highlight the enormous impact of Semmelweis’s solution. The second text uses a compare–and-contrast text structure to highlight the enormous impact of Semmelweis’s solution. The second text uses a compare–and-contrast text structure to highlight the enormous impact of Semmelweis’s solution. The second text uses a problem-solution text structure to emphasize the enormous struggle Dr. Semmelweis had to go through to get others to listen to him. The second text uses a problem-solution text structure to emphasize the enormous struggle Dr. Semmelweis had to go through to get others to listen to him. The second text uses a compare-and-contrast text structure to emphasize the enormous struggle Dr. Semmelweis had to go through to get others to listen to him.

The second text uses a problem-solution text structure to highlight the enormous impact of Semmelweis's solution.