4396
The severity of reactions ( minimal , mild , and moderate , respectively ) was as follows : group 1 - - 6 , 6 , and 2 ; group 2 - - 1 , 5 , and 0 ; group 3 - - 5 , 1 , and 0 .
 None
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:
 None