Free LSAT Practice Question

Question 1 of 1
ID: LSAT-LR-178
Section: Logical Reasoning
Topic: Justify the Conclusion (JTC)
Difficulty level: Medium

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Station manager: A sounding enters the national record only if its sonde was weighed before release. Every sonde the relief crew releases is weighed; a sonde the day crew releases is weighed only when the manifest calls for it, and last autumn no manifest called for it. So every autumn sounding in the national record is the relief crew's.

Which one of the following, if assumed, allows the conclusion to be properly drawn?

AEvery sounding in the national record last autumn was made with a sonde the relief crew released or one the day crew released.

BThe relief crew released more sondes last autumn than the day crew did, and weighed each sonde whether or not a manifest named it.

CNo sounding in the national record last autumn was logged in the day crew's own book instead of the record, whatever a manifest said about which sondes were weighed.

DNearly every autumn sounding was made with a sonde the relief crew released.

ENo sounding in the national record last autumn was the day crew's, no manifest having named a single sonde it released to be weighed.

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