Input (grade 10): Yacht club The Lake Eyre Yacht Club is a dedicated group of eccentrics who sail on the lake's floods, including recent trips in 1997, 2000, 2001, 2004, 2007 and 2009.
Output (grade 9): Yacht club The Lake Eyre Yacht Club is a small group of people who sail on the lake's floods, including recent trips in 1997, 2000, 2001, 2004, 2007 and 2009.