What are the keywords in the following sentence? olympic athlete in action in the marathon
action, athlete, marathon

What are the keywords in the following sentence? extreme close up of blades of grass swaying softly in the gentle breeze of a warm summer day
breeze, day, grass

What are the keywords in the following sentence? people pray inside a city a temple inside the walls
city, pray, wall

What are the keywords in the following sentence? a large field of commercially grown sunflowers
field, grow, sunflower