Logical ReasoningDifficulty: Hard

PT159 S3 Q22 Explanation

For a zoo to make a valuable contribution to the community

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

TopicsMust be True

Keep going in LSAT Lab

  • Save & drill this skill — build targeted practice sets from questions like this one

  • Video walkthroughs — watch every question solved step by step

  • 81 official LSATs — as questions, timed sections & full-length tests

Start practicing free

Free to start

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

For a zoo to make a valuable contribution to the community, it must be well run. All large zoos that are well run have some full-time veterinarians on staff, but many small zoos that are well run have only part-time veterinarians. In addition, there are many large zoos that all year, while most small zoos are closed in winter.

What this question is testing

Must be True

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
22.

If the statements above are true, then which one of the following must

Answer choices

  1. Trap4% picked this

    Most large zoos are well

  2. Trap6% picked this

    No large, well-run zoos have any part-time veterinarians

  3. Trap25% picked this

    Some zoos that make valuable contributions to their communities have only part-time

  4. Correct65% picked this

    Some zoos that are open all year have full-time veterinarians

    Why this is right

    Answer D is correct.

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

  5. Trap0% picked this

    Most small zoos make valuable contributions to

Continue the review in LSAT Lab

Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.

Save and practice this skill
LSAT Lab

Turn this review into a targeted study plan.

Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.

Start practicing free