23746
Interestingly , regulation of Met cycle genes was found to differ between plant species as shown for Arabidopsis thaliana and Oryza sativa .
 Chemical: Met
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: Met 
Answer:
 Chemical: Met