What are the keywords in the following sentence? A train is pulling into a station stop with red benches.
bench, stop, train

What are the keywords in the following sentence? flock of sheep on pasture browsing grass between the trees
flock, sheep, tree

What are the keywords in the following sentence? a group of small children playing soccer in an open field next to the trees
field, soccer, tree

What are the keywords in the following sentence? pilot landing a small plane after scenic flight
land, pilot, plane