Problem: What are the most important words?
holiday shows off bright red flowers with golden stamens during the dull days of winter .
Answer: day, flower, winter

Problem: What are the most important words?
good trail through the trees but some steep sections
Answer: section, trail, tree

Problem: What are the most important words?
a great white shark breaching out of the water grabbing a seal off the coast
Answer:
breach, shark, water