6320
The cases are important in documenting that drug - induced dystonias do occur in patients with dementia , that risperidone appears to have contributed to dystonia among elderly patients , and that the categorization of dystonic reactions needs further clarification .
 adverse effect: dystonia, risperidone
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  dystonia, risperidone 
Answer:
 adverse effect: dystonia, risperidone