What are the keywords in the following sentence? cut sunflowers for sale in the flower market
market, sale, sunflower

What are the keywords in the following sentence? time lapse of fast moving clouds over a foreground of trees
cloud, foreground, lapse, move, tree

What are the keywords in the following sentence? tracking shot of a long covered parking garage
cover, shot, tracking

What are the keywords in the following sentence? football player is in action against athlete during the group g of football match at stadium .
action, athlete, stadium