Problem: What are the most important words?
A tray of sushi served on a table with sauces and condiments served in melons.
Answer: sauce, serve, table

Problem: What are the most important words?
Someone slides on her stomach to the edge of the platform then rolls into the water.
Answer: edge, platform, roll, stomach, water

Problem: What are the most important words?
pattern in the shape of heart
Answer:
heart, pattern, shape