189953
The first three 16 floor towers ( 5 , 6 and 7 ) which have a city view were completed in April 2009 , and the other four towers ( 1 , 2 , 3 and 4 ) , 2x16fl , 1x20fl and 1x24fl , which have a river view were completed in September 2009 .
 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