3519
In the twin pregnancy , the mother had Crohn ' s disease .
 Disease: Crohn ' s disease
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: Crohn ' s disease 
Answer:
 Disease: Crohn ' s disease