1820
We concluded a critical time window for systemic lipopolysaccharide pretreatment in exerting effective protection against methamphetamine - induced nigrostriatal dopamine neurotoxicity .
 Chemical: lipopolysaccharide; Chemical: methamphetamine; Chemical: dopamine; Disease: neurotoxicity
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: lipopolysaccharide, methamphetamine, dopamine, neurotoxicity 
Answer:
 Chemical: lipopolysaccharide; Chemical: methamphetamine; Chemical: dopamine; Disease: neurotoxicity