What are the keywords in the following sentence? A group of people are singing and performing a religious ritual.
perform, ritual, singe

What are the keywords in the following sentence? A herd of zebras joined by a giraffe at the zoo.
giraffe, herd, zoo

What are the keywords in the following sentence? man hiking a mountain with his dog
dog, hike, mountain

What are the keywords in the following sentence? Watch closely as I demonstrate the art of gliding a frisbee.
demonstrate, frisbee, watch