Logical ReasoningDifficulty: Medium

PT119 S4 Q20 Explanation

Evidence suggests that we can

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

TopicsParallel Flaw

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Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

Evidence suggests that we can manufacture a car with twice the fuel efficiency of a normal car, and it has been shown that we can produce a car that meets safety standards make a car that does both.

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
20.

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

Answer choices

  1. Trap2% picked this

    Since there is no dishwasher currently available that uses energy efficiently and there is no dishwasher currently available that effectively cleans pans, no dishwasher

  2. Trap2% picked this

    Kameko might catch a cold this winter and she might go outside without a hat this winter. Therefore, it is possible that Kameko will

  3. Trap11% picked this

    Susan says that it is cold outside, and Nathan says that it is snowing; therefore, it is both

  4. Correct76% picked this

    It is possible to write a best-selling novel and it is possible to write one that appeals to the critics. Therefore, an author could

    Why this is right

    Answer D is correct.

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

  5. Trap10% picked this

    There are machines that brew coffee and there are machines that toast bread. And it is possible to make a machine that does both.

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