What are the keywords in the following sentence? a helicopter carries cargo from a construction site in the mountains .
cargo, helicopter, mountain

What are the keywords in the following sentence? the tree serves as a reminder of loved ones missed over western christian holiday
holiday, love, tree

What are the keywords in the following sentence? lapse of predawn light waiting for sunrise from the summit .
summit, sunrise, wait

What are the keywords in the following sentence? the cruise ship docked along tourist attraction
attraction, dock, ship