What are the keywords in the following sentence? Three parallel railroad tracks split into six separate tracks with a train on one of them.
split, track, train

What are the keywords in the following sentence? In a wrestling ring two women come together to grapple to start the match.
grapple, match, ring

What are the keywords in the following sentence? beautiful female doctor taking care of a young child in a wheelchair
care, doctor, take, wheelchair

What are the keywords in the following sentence? Two men are outside with large spears and swords and acting like they are fighting each other.
fight, spear, sword