6830
Optic neuropathy developed in a patient with rheumatoid arthritis who had been receiving D - penicillamine for about 1 year .
 adverse effect: Optic neuropathy, D - penicillamine
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  Optic neuropathy, D - penicillamine 
Answer:
 adverse effect: Optic neuropathy, D - penicillamine