#4 - Local, Must Be True

[Dave Killoran]

Complete Question Explanation
(The complete setup for this game can be found here: lsat/viewtopic.php?f=325&t=6210)

The correct answer choice is (E)

The presence of K on each committee forces J to also to be a member of each committee per the third rule. This gives the planting committee a total of three members, closing it off to further members according to the condition in the question stem. From the fourth rule, then, M must be a member of the trails committee:

June 98_M12_game#1_L6_explanations_game#1_#4_diagram_1.png

As in question #3, the setup for the trails committee contains the minimum number of members; there could be other members of the trails committee. The planting committee is complete.

Answer choice (E) is proven correct by our analysis above. Note that answer choices (A) and (B) could never occur because each committee contains K, and F cannot be a member of the same committee as K per the second rule. Answer choices (C) and (D) could never occur because the question stem stipulates that the planting committee has exactly three members, and as discussed above those three members must be K, L, and J.