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Aquapark contains many key entertainment attractions including among many others four modernly designed traditional slides , one of which ( the Anaconda ) is popular for being long as well as mysterious , a spin-bowl , which is composed of a slide with a sharp drop and a releases into an open bowl that spins the person riding , a whirl pool , a hot-tub , a sauna , a cold-tub ( for the after sauna ) , an incline ( 30 degrees and 25 feet in hypotenuse ) , a fake beach , a water cabin ( where waves can be created about 2 ft X 6 ft , holds two people ) , and an intricate obstacle course composed of jungle-like rope , floating blocks , and poles that can reach upwards of fifteen vertical feet ( 4 meters ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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