Logical ReasoningDifficulty: Easy

PT127 S3 Q5 Explanation

Gardener: Researchers encourage us

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

TopicsMain Conclusion

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Stimulus

Gardener: Researchers encourage us to allow certain kinds of weeds to grow among garden vegetables because they can repel caterpillars from the garden. While it is wise to avoid unnecessary use of insecticides, the researchers' advice is premature. For all we know, those kinds of weeds can deplete the on, and might even attract other kinds of damaging pests.

What this question is testing

Main Conclusion

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.

Which one of the following most accurately expresses the main conclusion of

Answer choices

  1. Evidence2% picked this

    To the extent that it is possible to do so, we should eliminate the use

    This is evidence that supports the argument’s main point.

  2. Evidence6% picked this

    Allowing certain kinds of weeds to grow in vegetable gardens may contribute to a net increase

    This is evidence that supports the argument’s main point.

  3. Opposing Evidence2% picked this

    Allowing the right kinds of weeds to grow in vegetable gardens can help toward controlling caterpillars without

    This supports the opposing point in the argument.

  4. Correct84% picked this

    We should be cautious about the practice of allowing certain kinds of weeds to grow

    Why this is right

    This best paraphrases the argument’s main point.

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

  5. Unsupported7% picked this

    We should be skeptical about the extent to which certain kinds of weeds can reduce the presence

    The argument does not undermine the support for the opposing point, but rather provides new information that suggests it’s premature to accept the opposing point.

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