Problem: What are the most important words?
A baby lies on her side on a small rug and giggles as she's tickled.
Answer: lie, rug, tickle

Problem: What are the most important words?
an adult bald eagle takes flight wednesday afternoon over river between ethnicity and a city .
Answer: eagle, flight, river, take

Problem: What are the most important words?
young family having picnic in a park
Answer:
family, park, picnic