Problem: What are the most important words?
black bear taking a refreshing dip in our garden pond .
Answer: bear, dip, take

Problem: What are the most important words?
time lapse of clouds and mist rolling at sunrise
Answer: cloud, mist, sunrise

Problem: What are the most important words?
a ginger cat sleeps in the warm afternoon sunshine of a beautiful spring day with temperatures
Answer:
cat, sleep, sunshine