What are the keywords in the following sentence? Hardworking farmer and oxen plowing his fields on a hot summer day.
day, farmer, plow

What are the keywords in the following sentence? full moon rising over the trees of a tropical island
island, moon, rise

What are the keywords in the following sentence? emerges from a channel in the rock to plunge in a free fall over a steep cliff
cliff, fall, rock

What are the keywords in the following sentence? time lapse with sun rising over a city
lapse, rise, sun