Problem: What are the most important words?
teacher and student in classroom of an elementary school
Answer: classroom, school, student

Problem: What are the most important words?
a male patient opens wide as a female dentist examines and scrapes his teeth with her tools
Answer: open, patient, scrape, tool, tooth

Problem: What are the most important words?
A bike in a small entry way with a lot of other stuff.
Answer:
bike, lot, stuff