TASK DEFINITION: Given a text, write a compressed version of it in a single sentence.
PROBLEM: You are invited to accept this free trial membership, including a free issue of AUDUBON magazine, for two months without obligation. Simply move the token on your invitation from the top to the bottom, detach along the perforation, and return it as soon as possible in the postage-paid envelope.

SOLUTION: You're invited to this free trial membership, and a free two month issue of AUDUBON. Simply move the token on the invitation from top to bottom, remove along the perforation and return in the pre-paid envelope.

PROBLEM: I urge you to be a contributor to Geology's dynamic growth. This year's contribution form includes a place to indicate how your donation should be used, or just make your check out to the IGGS Scholarship Fund.

SOLUTION: I urge you to be a contributor to Geology's growth. contribution forms include how donations should be used, or just make your check to IGGS scholarship fund.

PROBLEM: "Until curators and critics manage to convince the great unwashed that beauty and skill are irrelevant (or even antagonistic) to art, we will have these contretemps every year or two."

SOLUTION:
Until curators and critics convince the unwashed that beauty and skill are irrelevant to art, we will have contretemps every year or two.