What are the keywords in the following sentence? armed force holds security during a patrol
force, patrol, security

What are the keywords in the following sentence? A donuts machine making donuts in large batches.
batch, donut, machine

What are the keywords in the following sentence? wakes up with a beautiful sunrise as the city is hit by strong winds and rain
city, hit, rain, wind

What are the keywords in the following sentence? camping tent on the beach by the sea
beach, camp, tent