What are the keywords in the following sentence? when white light travels through a prism it comes out a rainbow .
light, prism, rainbow

What are the keywords in the following sentence? pediatric patient with a teddy bear being tended to by nurses in the hospital
nurse, patient, tend

What are the keywords in the following sentence? Several bikes parked next to a white van.
bike, park, van

What are the keywords in the following sentence? a pan over fishing boats at anchor in the harbor .
boat, harbor, pan