Problem: What are the most important words?
the platform at part of the newly built extension
Answer: build, part, platform

Problem: What are the most important words?
firefighters extinguish fire on a burning portion of building after fire broke out incident
Answer: break, building, burn, fire, firefighter

Problem: What are the most important words?
There is a piano in the bathroom next to the toilet.
Answer:
bathroom, piano, toilet