Problem: What are the most important words?
A small passenger airplane with it's landing gear extended and parked on the ground.
Answer: airplane, extend, gear

Problem: What are the most important words?
map from which users can select the district in which they want to browse hospitals .
Answer: district, hospital, map, select, want

Problem: What are the most important words?
family looks at multiple giraffes at the zoo
Answer:
giraffes, look, zoo