Problem: What are the most important words?
earth orbiting around the sun
Answer: earth, orbit, sun

Problem: What are the most important words?
A bed with an orange headboard, a green pillow, 3 regular pillows and the bedspread turned down.
Answer: bed, bedspread, pillow, turn

Problem: What are the most important words?
A gas range with a microwave oven mounted overhead.
Answer:
microwave, oven, range