10194
Furthermore , we found that arsenic trioxide activates the Pirh2 promoter and consequently induces Pirh2 expression .
 Chemical: arsenic trioxide
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: arsenic trioxide 
Answer:
 Chemical: arsenic trioxide