What are the keywords in the following sentence? fractal seamless pattern of diamonds in the form of tiles with images on them chrome or glass elements
image, pattern, tile

What are the keywords in the following sentence? living room with high ceiling for an airy appeal
appeal, ceiling, room

What are the keywords in the following sentence? astronaut in outer space on the elements of this image furnished by spacecraft manufacturer
astronaut, image, space

What are the keywords in the following sentence? athlete led country to the semifinals but was sent off early in the match against country .
athlete, country, semifinal