What are the keywords in the following sentence? essential oil in a bottle with pink roses and petals on wooden board
bottle, oil, rose

What are the keywords in the following sentence? butterflies in a tropical garden eat pollen from flowers
butterfly, eat, flower, garden

What are the keywords in the following sentence? A freight train leaving a city during the day
city, day, train

What are the keywords in the following sentence? portrait of a young boy with a magnifying glass lying on the grass
glass, lie, magnify