3404
In a further series of experiments , haloperidol ( 0 . 2 mg / kg i . p . ) was used in order to block the dopaminergic activation and to estimate the real degree of the tolerance to the rigidity without any dopaminergic interference .
 Chemical: haloperidol; Disease: rigidity
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: haloperidol, rigidity 
Answer:
 Chemical: haloperidol; Disease: rigidity