What are the keywords in the following sentence? white lioness lying and resting in a zoo
lie, lioness, rest, zoo

What are the keywords in the following sentence? wedding rings on a bouquet of flowers
bouquet, flower, ring

What are the keywords in the following sentence? Train coming down the tracks with engineer visible and lots of black smoke billowing upward
come, lot, smoke, train

What are the keywords in the following sentence? sun breaking through a blue cloudy sky
break, sky, sun