The Okanagan Highland is an elevated hilly plateau area in British Columbia, Canada, and the U.S. state of Washington (where it is spelled Okanogan Highlands). Rounded mountains with elevations up to 8,000 feet above sea level and deep, narrow valleys are characteristic of the region.
Rounded mountains with elevations no more than eight thousand feet.
Rounded mountains with elevations up to 8,000 feet. The system was confused by the numbers.
( z1 round-up :ARG1 ( z2 mountain :ARG0-of ( z3 have :ARG1 ( z4 altitude :quant ( z5 more-than :op ( z6 distance-quantity :quant 8000 :unit ( z7 foot ) ) ) ) ) ) )