TASK DEFINITION: Given a text, write a compressed version of it in a single sentence.
PROBLEM: In other words, based on what they knew about a group of languages which were documented, they tried to imagine the language that they sprang from.

SOLUTION: Based on their knowledge of a group of documented languages, they imagined the language that they sprang from.

PROBLEM: So next year, let's switch from the Gay Pride Parade to the Gay Pride Street Fair--good exercise, a cultural celebration, and a chance to buy inexpensive socks.

SOLUTION: Next year, let's switch to Gay Pride Street Fair -- good exercise, culture, and cheap socks.

PROBLEM: After all, conservation begins with saving those at-risk places -— our forests and deserts, wetlands and oceans, mangroves and coral reefs — that provide a lifeline for precious animals and plants.

SOLUTION:
Conservation begins w/saving at-risk places, forests, deserts, wetlands, oceans, mangroves, reefs, which provide lifelines 4 precious animals/plants

