What are the keywords in the following sentence? the stained glass windows tell stories from poetry book .
story, tell, window

What are the keywords in the following sentence? is the vast gaseous envelope of air that surrounds the earth .
air, earth, surround

What are the keywords in the following sentence? college students reading their notes together during the break
note, read, student

What are the keywords in the following sentence? A clock hanging on the wall in a kitchen with an oven and refrigerator.
clock, kitchen, refrigerator, wall