4014
There was no indication that sertraline exacerbated the impairment produced by haloperidol since an equivalent effect also occurred in the placebo group .
 Chemical: sertraline; Chemical: haloperidol
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: sertraline, haloperidol 
Answer:
 Chemical: sertraline; Chemical: haloperidol