Problem: What are the most important words?
black spider waiting to ambush another insect .
Answer: ambush, insect, spider, wait

Problem: What are the most important words?
fresh tuna lies awaiting inspection and auction the worlds largest daily fish market
Answer: await, inspection, market, tuna, world

Problem: What are the most important words?
A bathroom with a tropical themed shower curtain.
Answer:
bathroom, curtain, theme