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In the animals treated with threshold doses of picrotoxin , the average number of seizures was 2 . 3 + / - 1 . 2 , and average seizure duration was 39 . 5 + / - 8 . 4s .
 Chemical: picrotoxin; Disease: seizures; Disease: seizure
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: picrotoxin; Disease: seizures; Disease: seizure