What are the keywords in the following sentence? fragment of the ancient stone wall executed from stones of various form and the size .
fragment, stone, wall

What are the keywords in the following sentence? Three giraffes all looking in different directions and doing different things.
giraffes, look, thing

What are the keywords in the following sentence? cloud hangs over a city
city, cloud, hang

What are the keywords in the following sentence? couple in love passionately hugging .
couple, hug, love