What are the keywords in the following sentence? satellite captured this ultraviolet image of the moon eclipsing the sun .
capture, moon, satellite, sun

What are the keywords in the following sentence? turn invention into a full computer .
computer, invention, turn

What are the keywords in the following sentence? airplanes flying over the map
airplane, fly, map

What are the keywords in the following sentence? ship berthed in a port
berth, port, ship