What are the keywords in the following sentence? branches with white flowers against a blue sky
branch, flower, sky

What are the keywords in the following sentence? rays of the sun break through cloudy stormy sky
break, sky, sun

What are the keywords in the following sentence? A cheese burger that has some lettuce and tomato on it.
burger, lettuce, tomato

What are the keywords in the following sentence? key signs to tell if your website needs a redesign
need, redesign, sign, website