What are the keywords in the following sentence? airplane seen from below passing through the sky
airplane, pass, sky

What are the keywords in the following sentence? field of wheat gently moved by the wind
field, move, wheat, wind

What are the keywords in the following sentence? passengers were left terrified as the plane landed
leave, passenger, plane

What are the keywords in the following sentence? An empty bathroom with a toilet and bathtub.
bathroom, bathtub, toilet