What are the keywords in the following sentence? A small plane on a grass runway in the mountains.
mountain, plane, runway

What are the keywords in the following sentence? aged murals adorning the walls of a small temple at the village
mural, temple, wall

What are the keywords in the following sentence? politician takes a question during a news conference .
conference, politician, question

What are the keywords in the following sentence? biological phylum covered rocks and tree roots on a forest floor
rock, root, tree