What are the keywords in the following sentence? Two giraffes in the zoo looking at the tourists.
giraffe, tourist, zoo

What are the keywords in the following sentence? Someone looks away, shifting her wary gaze then frowns at him again.
gaze, look, shift

What are the keywords in the following sentence? black bear taking a refreshing dip in our garden pond .
bear, dip, take

What are the keywords in the following sentence? What fun this is being caught in midair on a bike.
bike, catch, midair