Well I don't see any options so my guess would be:
Don't pick any opinions because if your writing a research paper then you should have your paper based off of facts and things you have seen off of the internet.
The pet cloning controversy. If you were writing paper about pet cloning, which one of these sentences from the passage would be irrelevant and NOT supported by research
Rememeber, Thomas Jefferson was an Anti-Federalist meaning he opposed the new constitution. Alexander Hamilton was a Federalist meaning he supported giving more power to the federal government.