What are the keywords in the following sentence? wind bends the ears of golden wheat in a field
ear, field, wheat, wind

What are the keywords in the following sentence? a tubular skylight can bring natural light into an interior bathroom with no windows
bathroom, bring, light

What are the keywords in the following sentence? some examples of retaining walls by organisation
organisation, retain, wall

What are the keywords in the following sentence? a close up image of a crow in flight against blue sky
crow, flight, image