What are the keywords in the following sentence? A train going down the tracks near a small village.
track, train, village

What are the keywords in the following sentence? it took time and patience to train the tree into this shape .
time, train, tree

What are the keywords in the following sentence? the sun rises over geographical feature as the snowstorm comes to an end .
end, rise, sun

What are the keywords in the following sentence? a depiction of the space shuttle docked at satellite orbiting earth .
dock, satellite, shuttle