Problem: What are the most important words?
the bee collects pollen from a yellow flower for making honey .
Answer: flower, honey, pollen

Problem: What are the most important words?
symptoms include sprouting from the base of the tree and trunk .
Answer: sprout, tree, trunk

Problem: What are the most important words?
tractor and trailer recovering a boat from the sea
Answer:
boat, sea, tractor, trailer