14642
Although other nitrites induce methemoglobinemia , exposure to methyl nitrite during phenylpropanolamine production appears to be a new cause of occupational methemoglobinemia .
 adverse effect: methemoglobinemia, methyl nitrite; adverse effect: methemoglobinemia, methyl nitrite
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: methemoglobinemia, methyl nitrite; adverse effect: methemoglobinemia, methyl nitrite