Question from official LSAT study guide.

A study has shown that there are still millions of people who are unaware that they endanger their health by smoking cigarettes. This is so despite government campaigns to warn people of the dangers of smoking. Reluctantly, one has to draw the conclusion that the mandatory warnings that tobacco companies are required to print have had no effect.

Which one of the following, if true, would refute the argument in the passage?

In a privately funded study, new born monkeys were given large amount of the polio vaccine. This lead to increase in the incidence of learning disabilities among the monkeys. When the manufacturers of the polio vaccine were asked if warning labels should be required on polio vaccines, a spokesperson stated that it would not because if the finding of these studies were to be refuted in the future, the manufacturers would lose consumer credibility.

Which of the following is most strongly suggested by the manufacturer statement above?

Yesterday a pundit on the city’s local radio station criticized the basketball team. This is not the first time the basketball team has been criticized, but the pundit’s criticism were inaccurate. This is not the first time that he has criticized the choir. But this time his criticisms were simply inaccurate and unwarranted. I am a former basketball coach and have coached each player individually, and I can attest to to each players skills as being top notch.

Which one of the following is the most serious flaw in the author’s reasoning?