What are the keywords in the following sentence? A small aircraft is parked at an airport.
aircraft, airport, park

What are the keywords in the following sentence? portrait of a girl sitting on a pier
pier, portrait, sit

What are the keywords in the following sentence? cartoon of film character involve in an occupational accident while delivering gifts on christmas night .
character, deliver, gift, night

What are the keywords in the following sentence? an airplane is flying past a large city
airplane, city, fly