12509
The second version of the guidelines clarified the level of data requirement ( ' must ' , ' recommended ' , ' preferred ' ) based on the data availability , the information needs of the decision makers and the strength of the evidence .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None