What are the keywords in the following sentence? A meter on the street reads a time of zero.
meter, street, time

What are the keywords in the following sentence? stacked hay bales against a blue sky
bale, sky, stack

What are the keywords in the following sentence? horse resting in a meadow
horse, meadow, rest

What are the keywords in the following sentence? ducks and carp swimming in a pond
carp, duck, pond, swimming