Logical ReasoningDifficulty: Medium

PT129 S3 Q14 Explanation

Food labeling regulation

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsMust be False

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Stimulus

Food labeling regulation: Food of a type that does not ordinarily contain fat cannot be labeled "nonfat" unless most people mistakenly believe the food ordinarily contains fat. If most people mistakenly believe that a food ordinarily contains fat, the food may states that the food ordinarily contains no fat.

What this question is testing

Must be False

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
14.

Which one of the following situations violates the food

Answer choices

  1. Wrong Trigger3% picked this

    Although most people know that bran flakes do not normally contain fat, Lester's Bran Flakes

    The trigger in the first statement is ~OCF + ~LN the food has no fat, which is true of bran flakes, and labeled “nonfat,” which is not true of this situation.

  2. Wrong Trigger8% picked this

    Although most people are aware that lasagna ordinarily contains fat, Lester's Lasagna, which contains no fat,

    The trigger in the first statement is OCF + ~LN the food has no fat, which is true of Lester’s Lasagna, and labeled “nonfat,” which is not true of this situation.

  3. Wrong Outcome8% picked this

    Although most garlic baguettes contain fat, Lester's Garlic Baguettes are

    This fails to include that most people do not mistakenly believe that baguettes contain fat.

  4. Correct71% picked this

    Although most people are aware that applesauce does not ordinarily contain fat, Lester's Applesauce

    Why this is right

    This violates the first statement since the food does not contain fat and it is labeled nonfat. So it should be a food most people mistakenly believes has not fat, but most people are aware that applesauce does not ordinarily contain fat.

    Skill tested: Must be False · how this choice captures the argument's function is the move to repeat next time.

  5. Supported10% picked this

    Although most people mistakenly believe that salsa ordinarily contains fat, the label on Lester's Zesty Salsa says "This product,

    This situation supports MBF + LN + LFO rather than violates, the second statement.

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