What are the keywords in the following sentence? great shot of a train coming down railroad tracks in a city .
come, shot, train

What are the keywords in the following sentence? A light and clock on a city street.
clock, light, street

What are the keywords in the following sentence? A church with a steeple and clock with a red sky.
church, clock, sky, steeple

What are the keywords in the following sentence? small speed boat going out to sea at sunrise with large cargo ships in the distance
boat, distance, ship