Logical ReasoningDifficulty: Medium

PT6 S2 Q5 Explanation

The museum’s night security guard

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

TopicsParallel Flaw

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Stimulus

The museum’s night security guard maintains that the thieves who stole the portrait did not enter the museum at any point at or above ground level. Therefore, the thieves the museum from below ground level.

What this question is testing

Parallel Flaw

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
5.

The flawed pattern of reasoning in the argument above is most similar to that in which one

Answer choices

  1. Trap20% picked this

    The rules stipulate the participants in the contest be judged on both form and accuracy. The eventual winner was judged highest in neither category,

  2. Correct71% picked this

    The store’s competitors claim that the store, in selling off the shirts at those prices, neither made any profit nor broke even. Consequently, the

    Why this is right

    Answer B is correct.

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

  3. Trap1% picked this

    If the census is to be believed, the percentage of men who are married is higher than the percentage of women who are married.

  4. Trap2% picked this

    The product label establishes that this insecticide is safe for both humans and pets. Therefore, the insecticide must also be safe for such

  5. Trap5% picked this

    As had generally been expected, not all questionnaires were sent in by the official deadline. It follows that plans must have been made for

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