Problem: What are the most important words?
vulture perched on a tree
Answer: perch, tree, vulture

Problem: What are the most important words?
a cheetah patrols through green grasslands past a herd of wildebeest .
Answer: cheetah, grassland, wildebeest

Problem: What are the most important words?
portrait of a waitress holding burger in tray at restaurant
Answer:
hold, portrait, tray