2160
former safety-service director rex katterheinrich estimated the city collecting $ 2.16 million in 2009 , who took into account for the economic slowdown caused by the national recession .
 slowdown, recession
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
Answer:
 slowdown, recession