What are the keywords in the following sentence? farmer plowing a field with oxen to the plow
farmer, field, oxen

What are the keywords in the following sentence? bedroom and bathroom are on the lower level
bathroom, bedroom, level

What are the keywords in the following sentence? a city with fishing boats at low tide
boat, city, tide

What are the keywords in the following sentence? couple standing near the campfire in forest
campfire, couple, forest