What are the keywords in the following sentence? woman and cute young boy in silhouette looking at sharks and other fish in an aquarium
aquarium, look, silhouette

What are the keywords in the following sentence? the plume of smoke from a large fire on the site .
plume, site, smoke

What are the keywords in the following sentence? political cropped poster seen depicting military commander seen inside a bar
commander, depict, poster

What are the keywords in the following sentence? group of scientists reading scientific research in the laboratory
laboratory, read, scientist