What are the keywords in the following sentence? A large elephant feeding itself using its trunk
elephant, feed, trunk

What are the keywords in the following sentence? portrait of elegant senior woman standing under black umbrella dancing in the rain .
dance, portrait, rain, stand, umbrella

What are the keywords in the following sentence? a city a worth place to visit
city, place, visit

What are the keywords in the following sentence? tourists enter through tourist attraction into chinese structure
attraction, enter, structure