Problem: What are the most important words?
The pizza is flavored with different types of cheeses.
Answer: cheese, pizza, type

Problem: What are the most important words?
bald eagle perched in a tree before taking flight on a winter day along river
Answer: eagle, flight, river, take

Problem: What are the most important words?
football player reacts during the football match at arena outside russian federal city .
Answer:
arena, match, react