What are the keywords in the following sentence? an aircraft waiting to take off from an airport runway
aircraft, runway, wait

What are the keywords in the following sentence? officials held a ceremony and celebration tuesday afternoon
celebration, ceremony, hold

What are the keywords in the following sentence? female tiger recently gave birth to cubs
birth, cub, give

What are the keywords in the following sentence? A 30 story gold statue has come to life and is terrorizing New York.
come, life, statue