Problem: What are the most important words?
A woman in a net cage throwing a disk for a competition.
Answer: competition, disk, throw

Problem: What are the most important words?
tourists and locals shopping at the sunday morning market held every weekend
Answer: local, market, tourist

Problem: What are the most important words?
A giraffe and zebra in dirt area next to trees.
Answer:
area, giraffe, tree, zebra