Given a text, write a compressed version of it in a single sentence.

Just lift the token on your enclosed membership invitation from the top right of the page. Press it firmly to the circle on the bottom left.
Take the top right of you invitation and press it firmly to the circle on the bottom left.

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

Room 6 concentrates on tomb finds dating from the New-Palace and Post-Palace periods and displays beautiful pottery pieces, military pieces such as helmets and sword handles, and gold jewelry.
Room 6 concentrates on finds from the New-Palace and Post-Palace periods and displays pottery pieces, military pieces, and gold jewelry