Input (grade 10): A tourist attraction since 1907, it was discovered in 1905 by Carl Gibbons and Edgar Hollis, two 12 year-old boys searching for a lost cricket ball.
Output (grade 6): A favorite of tourists since since 1907, it was found in 1905 by Carl Gibbons and Edgar Hollis. The two boys were looking for their lost cricket ball which fell into a hole in the ground.