What are the keywords in the following sentence? We see scene of a bullfighting with matadors in the ring and see them stabbing the bulls.
bull, matador, scene

What are the keywords in the following sentence? a large fully opened sunflower facing up towards a deep blue sky on a warm summer day
face, sky, sunflower

What are the keywords in the following sentence? The horse is eating grass in the yard.
grass, horse, yard

What are the keywords in the following sentence? hands forming a heart shape painted in multiple colors
color, hand, paint, shape