2075
The incentives described in the orphan drug legislations or policies , the criteria for designation of orphan status and the authorisation process of an orphan drug are also described and compared .
 None
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:  
Answer:
 None