What are the keywords in the following sentence? A man is draining old oil out of a vehicle as part of an oil changing process.
drain, oil, process, vehicle

What are the keywords in the following sentence? airplane turn around in the air under dense clouds of overcast sky
air, airplane, sky

What are the keywords in the following sentence? image titled change your id phone number on a step
change, image, number, step

What are the keywords in the following sentence? accommodation type built by family for workers in their chocolate
build, family, type