2327
it found the net aggregate economic benefit to native-born americans from the enormous influx accidentally triggered by the 1965 immigration is nugatory-less than $ 10 billion a year , in an economy of $ 10 trillion .
 cause effect: influx, immigration
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:  influx, immigration 
Answer:
 cause effect: influx, immigration