What are the keywords in the following sentence? portrait of a soldier in uniform at a camp inside country close to the border
camp, portrait, soldier

What are the keywords in the following sentence? update the rooms in your home one at a time instead of all at once .
home, room, update

What are the keywords in the following sentence? A view of an airplane with four propellers in the sky in the clouds.
airplane, cloud, sky, view

What are the keywords in the following sentence? autumn leaves on a sunny day
autumn, day, leave