What are the keywords in the following sentence? a soldier observes a section along the border
border, observe, soldier

What are the keywords in the following sentence? detail of hieroglyphic carvings in bas relief on walls at temple beside the sacred lake
carving, detail, temple

What are the keywords in the following sentence? the sun beats down on climbers as they ascend icy slope
ascend, climber, slope

What are the keywords in the following sentence? Kids are in a classroom with laptops on their desk.
classroom, desk, laptop