What are the keywords in the following sentence? A monkey that has a banana in its mouth.
banana, monkey, mouth

What are the keywords in the following sentence? the robot looks at the starry sky
look, robot, sky

What are the keywords in the following sentence? astronaut works outside the space station .
astronaut, station, work

What are the keywords in the following sentence? A glass worker shows how a piece of glass is being shaped after it's been heated.
glass, shape, worker