188173
Location The lock is located in the River Lee Country Park and is adjacent to the Old River Lea and the Holyfield Lake which incorporates part of the River Lee Flood Relief Channel The aqueduct above the lock carries the Small River Lea under the Navigation , which flows from the nearby Old River Lea .
 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