7460
Our review of 194 RA patients and 38 PsA patients receiving MTX has identified four RA patients and one PsA patient with MTX - induced pneumonitis , giving a prevalence of 2.1 % and 0.03 % , respectively .
 adverse effect: pneumonitis, MTX
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: pneumonitis, MTX