321574
This enzyme catalyses the following chemical reaction The enzymes from Oryza sativa ( ROMT-15 and ROMT-17 ) catalyses the stepwise methylation of tricetin to its 3 ' - mono - and 3 ' ,5 ' - dimethyl ethers .
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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:  
Answer:
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