What are the keywords in the following sentence? tourists lying on the ground waiting for an elephant to walk over them
ground, tourist, walk

What are the keywords in the following sentence? people waiting for the next ferry to dock at the ferry terminal on a grey foggy day
day, dock, terminal

What are the keywords in the following sentence? moving over the fields with yellow blossomed rapeseed and blue sky and clouds
cloud, field, move, rapeseed, sky

What are the keywords in the following sentence? A woman is walking beside a subway restaurant during her lunch.
lunch, restaurant, walk