What are the keywords in the following sentence? A group of zebras are standing in a desert.
desert, stand, zebra

What are the keywords in the following sentence? A batter, catcher, and umpire waiting for a pitch.
batter, catcher, pitch, umpire, wait

What are the keywords in the following sentence? illustrated poster for performing bears at a travelling circus
bear, circus, travel

What are the keywords in the following sentence? fans fill sports facility up to the third floor showing their unwavering support toward the legend .
facility, fan, support