Problem: What are the most important words?
A steam engine train surrounded by steam at a station.
Answer: station, steam, train

Problem: What are the most important words?
The jumping skateboarder is grabbing the board during a stunt.
Answer: grab, skateboarder, stunt

Problem: What are the most important words?
view of local train traveling on rail tracks with flourishing cherry blossoms along the railway
Answer:
blossom, track, train, travel, view