What are the keywords in the following sentence? A long train traveling down tracks with rusted cars.
car, track, travel

What are the keywords in the following sentence? olympic athlete and the team defeated island
athlete, island, team

What are the keywords in the following sentence? drinks and yoghurt for sale at a market stall .
drink, sale, stall

What are the keywords in the following sentence? city with christmas lights in the shop windows and trees
city, light, tree