49948
Since the definition of the equivalence factor depends on context ( which reaction is being studied ) , IUPAC and NIST discourage the use of normality .
 organization: IUPAC; organization: NIST
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: IUPAC, NIST 
Answer:
 organization: IUPAC; organization: NIST