What are the keywords in the following sentence? Three puppies are snuggling with their mother by the fire.
mother, puppy, snuggle

What are the keywords in the following sentence? mountain range are oldest in the state they were produced by converging plates .
converge, plate, range

What are the keywords in the following sentence? a time lapse shows a stormy scene with a rainbow forming from the combination of rain and sunshine
combination, form, rainbow, scene, sunshine

What are the keywords in the following sentence? night above country highlighted in red on model in space .
country, night, red, space