What are the keywords in the following sentence? An old train left abandoned on the tracks.
leave, track, train

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, shark

What are the keywords in the following sentence? skiers and snowboarders outside the building high up on mountain on a bitterly cold winter day
building, day, mountain

What are the keywords in the following sentence? nautical reflections were especially vibrant as the fishing boats returned shortly after sunrise .
boat, return, sunrise