What are the keywords in the following sentence? big lawn in front of the castle
castle, front, lawn

What are the keywords in the following sentence? Multiple orange train engines on tracks with trees on each side.
engine, side, track, tree

What are the keywords in the following sentence? footballer believes few players could have responded in the way football player has
footballer, player, respond

What are the keywords in the following sentence? The boy begins hopping on the squares, starting from his driveway.
begin, hop, square