Problem: What are the most important words?
A woman is sitting as she plays musical tunes on a harp.
Answer: harp, sit, tune

Problem: What are the most important words?
passenger airplane passing by among cumulus clouds high in the sky at daytime .
Answer: airplane, cloud, pass, sky

Problem: What are the most important words?
comic book character inspired fashion for girls .
Answer:
character, fashion, inspire