4003
From these data we conclude that the penile pain following intracorporeal injections is most likely due to the acidity of the medication , which can be overcome by elevating the pH to a neutral level .
 Disease: penile pain
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: penile pain 
Answer:
 Disease: penile pain