24822
Arginase and ornithine decarboxylase ( ODC ) enzymes were induced in syncytiotrophoblast and endothelial cells .
 Chemical: ornithine
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: ornithine 
Answer:
 Chemical: ornithine