Problem: What are the most important words?
this dog smells a winner in politician for president .
Answer: dog, politician, president

Problem: What are the most important words?
researcher working in a lab
Answer: lab, researcher, work

Problem: What are the most important words?
With her free hand, she grasps along pipe running along the ceiling, propelling herself down the hallway.
Answer:
grasp, hallway, pipe, propel, run