What are the keywords in the following sentence? vegetables in the crock pot for soup
pot, soup, vegetable

What are the keywords in the following sentence? the stream flows through the wall of the quarry
flow, stream, wall

What are the keywords in the following sentence? politician offers prayers before a statue .
offer, politician, prayer

What are the keywords in the following sentence? the spacecraft launches on a rocket propelling astronaut toward orbit .
launch, rocket, spacecraft