2104
Significant statistical etiologic factors include prolonged uninterrupted usage of oral contraceptive steroids .
 Chemical: oral contraceptive; Chemical: steroids
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: oral contraceptive, steroids 
Answer:
 Chemical: oral contraceptive; Chemical: steroids