What are the keywords in the following sentence? a colour image of a small fishing boat returning to the harbour having just passed under the pedestrian bridge
boat, harbour, pass

What are the keywords in the following sentence? an elephant eats from a tree
eat, elephant, tree

What are the keywords in the following sentence? an army soldier stands guard during a patrol in the district .
guard, patrol, soldier, stand

What are the keywords in the following sentence? stained glass window of builder praying
builder, pray, window