What are the keywords in the following sentence? A desk with a laptop, monitor, mouse and papers on it.
monitor, mouse, paper

What are the keywords in the following sentence? a column of tanks passing logistic vehicles
column, pass, vehicle

What are the keywords in the following sentence? Five sheep are eating from the grassy slope of a hill.
hill, sheep, slope

What are the keywords in the following sentence? canoes sit on the shore of a lake .
canoe, lake, sit