Problem: What are the most important words?
a reverse aerial view of traffic traveling on a bridge while a recreational boat passing underneath
Answer: boat, bridge, pass, travel, view

Problem: What are the most important words?
Sheep grazing on a brown grassland under an overcast sky.
Answer: grassland, graze, sheep

Problem: What are the most important words?
football player comes on as a substitute for footballer in the opening round football match .
Answer:
footballer, player, substitute