Problem: What are the most important words?
Someone, swimming in the Bug's intestinal fluid, tries to make his way to the gun, holding his breath.
Answer: breath, fluid, gun, hold, swim

Problem: What are the most important words?
olympic athlete thanks children for their support during day of match
Answer: day, match, support

Problem: What are the most important words?
The boy is practicing the piano in the living room.
Answer:
piano, practice, room