What are the keywords in the following sentence? inventor conducting an experiment in his laboratory
conduct, experiment, laboratory

What are the keywords in the following sentence? how to raise beef cattle for profit on a small farm
cattle, farm, raise

What are the keywords in the following sentence? The woman is walking down the aisle in the supermarket.
aisle, supermarket, walk

What are the keywords in the following sentence? a plane comes into land are seen from the air
come, land, plane