Problem: What are the most important words?
time lapse of clouds over flat farm land with tree in the foreground in hd
Answer: cloud, foreground, tree

Problem: What are the most important words?
soccer player looks on at a training session during football world cup
Answer: cup, look, player

Problem: What are the most important words?
cute witch flying on a broom between stars and yellow leaves
Answer:
broom, star, witch