2101
Nicotine - induced nystagmus correlates with midpontine activation .
 Chemical: Nicotine; Disease: nystagmus
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 
Answer:
 Chemical: Nicotine; Disease: nystagmus