Problem: What are the most important words?
white clouds pass over the plains
Answer: cloud, pass, plain

Problem: What are the most important words?
A teenager ollies his skateboard in a parking lot.
Answer: lot, skateboard, teenager

Problem: What are the most important words?
dimensional sculpture in the round mythical beasts carved for sculpture in the round with regard to residence
Answer:
beast, carve, residence, round, sculpture