Problem: What are the most important words?
aerial shot high above a boulder flying along the coastline as waves break at sunset
Answer: break, fly, sunset, wave

Problem: What are the most important words?
asphalt road leading to a city with tall buildings through green meadow
Answer: asphalt, building, city, road

Problem: What are the most important words?
A young man dressed in winter gear uses a selfie stick to record himself snowboarding.
Answer:
snowboard, stick, use