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 .
 cause effect: slowdown, recession
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  slowdown, recession 
Answer:
 cause effect: slowdown, recession