4012
RESULTS : Impairment of cognitive function was observed 6 to 8 hours after administration of haloperidol on Day 2 but was not evident 23 hours after dosing .
 Disease: Impairment of cognitive function; Chemical: haloperidol
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:
 Disease: Impairment of cognitive function; Chemical: haloperidol