What are the keywords in the following sentence? Here is a scale weighing a tan piece of luggage.
luggage, piece, scale

What are the keywords in the following sentence? industry comes in sizes and features cute owls in colors of ivory and orange .
color, feature, industry, orange, owl

What are the keywords in the following sentence? driving through tourist attraction on the way to national park via a city
attraction, park, way

What are the keywords in the following sentence? the burned out wreckage of a car after an explosion
burn, car, explosion