7044
In March 2008 , principal developer Bruce Ratner acknowledged that the slowing economy may delay construction of both the office and residential components of the project for several years .
 person: Bruce Ratner
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Bruce Ratner 
Answer:
 person: Bruce Ratner