LSAT PrepTest 20 Section 4 Question 7 Explanation | Logical Reasoning

I didn't write the following blog post. It was already on the blog when I took over the URL. The following blog post may contain mistakes. -Steve*** Here's a Logical Reasoning question from the October 1996 LSAT.Here's a chain of phrases (this is for instructional purposes; when you're really taking tests, just underline/bold a few key words like I did):1/50 die of disease --> vaccination kills 1