Put each of the following syllogisms into standard form, then use Venn diagrams to test for validity. 15 points

Protestant churches do not accept the authority of the pope. Since the United Church of Christ does not accept the pope's authority, it must be a Protestant church.

Some of the students in this class are freshmen, and of course no freshman will graduate this year. So none of the students in this class will graduate this year.

Some developing countries that need AIDS medication are places with poor manufacturing standards, because no developing country that needs AIDS medication can produce it and no country that can produce the medication has poor manufacturing standards