3157
We emphasize the potential danger in the use of ethambutol and isoniazid .
 Chemical: ethambutol; Chemical: isoniazid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: ethambutol; Chemical: isoniazid