Problem: What are the most important words?
portrait of a girl dressed up as an angel for a procession
Answer: angel, dress, procession

Problem: What are the most important words?
religious leader receives in audience the mayor of politician .
Answer: audience, leader, politician, receive

Problem: What are the most important words?
Two double decker buses pulling up to a stop along the curb.
Answer:
bus, curb, pull, stop