1161
While there is no single correct starting dose for levodopa therapy , many individuals can be started on either the 25 / 100 or controlled - release formula , following the general rule not to attempt to titrate carbidopa - levodopa to the point of " normality , " which can lead to toxicity .
 Chemical: levodopa; Chemical: carbidopa; Chemical: levodopa; Disease: toxicity
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: levodopa, carbidopa, levodopa, toxicity 
Answer:
 Chemical: levodopa; Chemical: carbidopa; Chemical: levodopa; Disease: toxicity