119439
On the north shore there are informal places for swimming and sunbathing , as well as a connection to Lake Jungfernsee and thus to the Havel River ’s extensive network of waterways via the Hasengraben , a short canal where the water is kept dammed up to maintain a high water level for the lake .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None