26956
An incremental repeated acquisition ( IRA ) of response chains procedure was used to detect MeHg - induced deficits in learning or motoric function and to evaluate possible neuroprotection by nimodipine .
 Chemical: MeHg; Chemical: nimodipine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: MeHg, nimodipine 
Answer:
 Chemical: MeHg; Chemical: nimodipine