Problem: What are the most important words?
a crane is used to lift concrete cement and used for high rise buildings and foundations .
Answer: building, crane, foundation

Problem: What are the most important words?
firefighters work to contain the fire at the apartment complex .
Answer: complex, fire, firefighter

Problem: What are the most important words?
A delicious pizza with veggies and meat on top.
Answer:
meat, pizza, veggie