What are the keywords in the following sentence? A red fire hydrant sitting on a brick patio of some kind.
hydrant, patio, sit

What are the keywords in the following sentence? visit the shop on the app for operating system
operate, shop, system

What are the keywords in the following sentence? The firemen are sitting in their fire station.
fireman, sit, station

What are the keywords in the following sentence? fictional image of the moon and earth
earth, image, moon