Assertion: water skiing | /r/HasProperty | three distinct components
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Source sentences:
text: As skier speeds increased, water skiing expanded to include three distinct components—slalom skiing, where the skier navigates through a series of buoys set at irregular intervals on the water, creating obstacles similar to the gates used in Alpine slalom skiing; trick skiing, including the use of a single ski, barefoot skiing, and different types of acrobatic tricks; ski jumping, where the skier is pulled by a tow boat towards a ramp that is approximately 21 ft (6.5 m) long and 6 ft high (1.8 m); the ramp is anchored in a fixed position in the water.