2102
The pathomechanism of nicotine - induced nystagmus ( NIN ) is unknown .
 Chemical: nicotine; Disease: nystagmus; Disease: NIN
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: nicotine, nystagmus, NIN 
Answer:
 Chemical: nicotine; Disease: nystagmus; Disease: NIN