Problem: What are the most important words?
Lying on her stomach on the panel, someone moves toward someone and leans her forehead against his.
Answer: forehead, lean, lie, move, stomach

Problem: What are the most important words?
this glider was hanging out in the skies over a city on the day we arrived .
Answer: city, hang, sky

Problem: What are the most important words?
lots of fruits and veggies separated by type
Answer:
fruit, lot, veggie