What are the keywords in the following sentence? astronaut was the first female graduate to fly into space and she has also visited satellite .
astronaut, fly, satellite, space

What are the keywords in the following sentence? coach delivers a press conference
coach, conference, deliver

What are the keywords in the following sentence? windows in a block of flats with a cloudy sky
block, flat, sky

What are the keywords in the following sentence? A bathroom featuring the shower, toilet, sink and vanity.
bathroom, feature, shower, vanity