What are the keywords in the following sentence? celebrity delivers a speech as politician looks on .
deliver, look, politician

What are the keywords in the following sentence? passengers arrive to check in for a flight
arrive, flight, passenger

What are the keywords in the following sentence? a city has been dubbed with its imposing limestone cliffs towering over sea .
city, cliff, tower

What are the keywords in the following sentence? a young girl standing by luggage in an airport
airport, luggage, stand