1987
the nnt and nnh are useful indices to describe the trade-off between the benefit and the harm produced by a new treatment .
 cause effect: harm, treatment
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:  harm, treatment 
Answer:
 cause effect: harm, treatment