Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Finally, a balanced approach!

Finally we have an excellent book that gives the pros and cons of vaccination for parents and medical professions to consider. Too many books are biased either for or against. This author gives you ALL the facts from both perspectives, and lets the parent decide.As an adult with hearing loss courtesy of a vax, I'm already anti-vax, but it's great to have this educational material on hand to educate doctors, teachers, and interfering family members.