6956
Production of 1 - lactulose and lactulose using commercial beta - galactosidase from Kluyveromyces lactis in the presence of fructose .
 Chemical: 1 - lactulose; Chemical: lactulose; Chemical: fructose
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 1 - lactulose, lactulose, fructose 
Answer:
 Chemical: 1 - lactulose; Chemical: lactulose; Chemical: fructose