What are the keywords in the following sentence? celebrity performed the haka during his visit on wednesday
celebrity, perform, visit

What are the keywords in the following sentence? a last ray of sunlight hits a hiking and biking trail .
hit, ray, sunlight

What are the keywords in the following sentence? A cargo train is moving traveling through the city.
move, train, travel

What are the keywords in the following sentence? guests at the event listen intently .
event, guest, listen