Problem: What are the most important words?
Two white sheep poking their heads through a fence.
Answer: fence, head, poke, sheep

Problem: What are the most important words?
The childrens' mother told them not to get in the water.
Answer: mother, tell, water

Problem: What are the most important words?
young woman practicing yoga on a floating platform in water on the lake during sunrise in the morning .
Answer:
float, morning, practice, sunrise, water