Politician: Of the candidates running, Thompson is the best person to lead this nation. For one thing, Thompson opposes higher taxes whereas the other candidates support them. Many would agree that anyone who opposes higher taxes will make a better leader than someone who supports them.

Which one of the following, if true, casts the most doubt on the politician's argument?

Correct answer marked below

Opposing higher taxes is not a factor contributing to good leadership.

Correct

Being opposed to higher taxes is not a sufficient condition for good leadership.

Thompson has questionable opinions concerning important issues other than taxes.

All of the past leaders who supported higher taxes performed their jobs adequately.

All of the past leaders who supported higher taxes were hardworking.

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What this question tests

Whether you can identify the option that most undermines an argument's conclusion.

Choosing an irrelevant objection or one that attacks the premise rather than the reasoning.