Problem: What are the most important words?
Herd of elephants walking around lake with babies
Answer: elephant, lake, walk

Problem: What are the most important words?
biological species has a flower much larger than apple or cherry blossoms
Answer: apple, blossom, flower

Problem: What are the most important words?
Vegetables, such as carrots and celery are separated into different bins.
Answer:
carrot, celery, vegetable