6180
Interstitial fibrosis of the lung is a potential complication of methotrexate therapy for psoriasis .
 Interstitial fibrosis of the lung, methotrexate
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 Interstitial fibrosis of the lung, methotrexate